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Anton J, Montoro M, Loza E, Otón T, Ramirez S, Benavent D. Digital health tools in juvenile idiopathic arthritis: a systematic literature review. Pediatr Rheumatol Online J 2025; 23:45. [PMID: 40312331 PMCID: PMC12046958 DOI: 10.1186/s12969-025-01094-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2024] [Accepted: 04/11/2025] [Indexed: 05/03/2025] Open
Abstract
BACKGROUND Nowadays, digital health technologies, including mobile apps, wearable technologies, social media, websites, electronic medical records, and artificial intelligence, are impacting disease management and outcomes. We aimed to analyse the characteristics and use of digital health tools in juvenile idiopathic arthritis (JIA). METHODS We conducted a systematic review (SR) to identify articles examining the characteristics, use, and outcomes (feasibility, usability, and effectiveness) of digital health tools in JIA patients. A sensitive search strategy was performed in Medline, Embase, and Cochrane databases until December 2022 (later updated to March 2024). Two reviewers independently selected the studies and collected the data, including study quality. A descriptive analysis was performed. RESULTS A total of 21 studies were included, one SR, six randomised controlled trials, four observational studies, four validation studies, one discovery and verification study, and five qualitative studies. Study quality was generally moderate. Most studies focused on patients with JIA (especially young people), but also on parents and health care professionals. Different digital health technologies were investigated, like websites, mobile apps, wearables, and telemedicine. The main objectives of the tools were self-management, symptom and quality of life monitoring, physical activity tracking, disease knowledge improvement, and medication monitoring. Different themes and contents were usually included in the same digital health tool, such as psychological health, lifestyle, intimacy, or shared decision-making. Tool development and validation processes were poorly or not at all described, and data regarding regulatory compliance, security, or privacy were scarce. CONCLUSIONS There is significant variability in the type, characteristics, objectives, and contents of digital health tools for JIA. They still show limitations and gaps, thus highlighting the need for better critical assessment and reporting.
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Affiliation(s)
- Jordi Anton
- Department of Paediatric Rheumatology, Hospital Sant Joan de Déu, Barcelona, Spain.
- Department of Surgery and Medical-Surgical Specialties, Obstetrics, Gynaecology and Paediatrics, Medicine and Health Sciences School, Universitat de Barcelona, Barcelona, Spain.
| | | | | | - Teresa Otón
- Instituto de Salud Musculoesquelética, Madrid, Spain
| | | | - Diego Benavent
- Department of Rheumatology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain
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Paradkar R, Regan C, Nolte CP, Stans A, Shaughnessy W, Mulford K, Milbrandt TA, Larson AN. Rates of School Absences in Pediatric Scoliosis Patients and Work Absences in Their Parents/Caregivers: A Retrospective Analysis. J Clin Med 2024; 13:7859. [PMID: 39768783 PMCID: PMC11728408 DOI: 10.3390/jcm13247859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2024] [Revised: 12/17/2024] [Accepted: 12/21/2024] [Indexed: 01/16/2025] Open
Abstract
Background/Objectives: The burden of scoliosis care extends beyond treatment costs and includes missed school for patients and lost income for parents. Chronic absenteeism, defined as more than 18 days of missed school, can have a significant impact on a child's educational progression, but missed school and work due to scoliosis treatment are not well quantified in the literature. This study investigates absenteeism among scoliosis patients and their caregivers. Methods: We conducted a retrospective comparative study of survey results based on surgery timing and surgery type. Patients and caregivers presenting for clinic visits for scoliosis treatment at a single large tertiary care center from 2014 to 2022 were queried. Results: We collected 2772 surveys from 1104 unique patients. Of these, 223 surveys from 132 patients were within one year of surgery: 140 post-fusion surveys, 71 post-nonfusion surveys, and 11 post-halo/multistage surgery surveys. A total of 2280 surveys were from 1022 nonoperatively treated patients. School absenteeism was significantly higher for surgeries during the school year compared to summer in both the fusion and nonfusion groups, though work absenteeism showed no significant differences. Halo/multistage surgery patients had the highest rates of absenteeism. Conclusions: This study highlights the impacts of scoliosis surgery timing and type on absenteeism among patients and their caregivers. Surgery during summer breaks reduces school absenteeism and academic disruption. Halo/multistage surgery patients face the greatest risk of chronic absenteeism from school, indicating a need for targeted interventions. Optimized surgical timing and planning can help families navigate the educational and financial challenges of scoliosis treatment.
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Affiliation(s)
| | | | | | | | | | | | | | - A. Noelle Larson
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA; (R.P.); (C.R.); (C.P.N.J.); (A.S.); (W.S.); (K.M.); (T.A.M.)
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Calvo Penadés I, Moreno Ruzafa E, Calzada-Hernández J, Mosquera Angarita J, López Montesinos B, Bou R, López Corbeto M, Sánchez-Manubens J, González Fernández MI, Carriquí Arenas S, Bittermann V, Estepa Guillén C, Rodríguez Díez L, Iglesias E, Marti Masanet M, LaCruz Pérez L, Peral C, De Lossada A, Valderrama M, Llevat N, Montoro M, Antón J. Real-world psychosocial impact among patients with juvenile idiopathic arthritis and families in Spain. Pediatr Rheumatol Online J 2024; 22:102. [PMID: 39593042 PMCID: PMC11600913 DOI: 10.1186/s12969-024-01035-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 11/14/2024] [Indexed: 11/28/2024] Open
Abstract
BACKGROUND To assess the psychosocial impact of moderate-severe juvenile idiopathic arthritis (JIA) on patients and their families, among those who had been treated with at least one anti-tumor necrosis factor (anti-TNF-α), according to routine clinical practice in Spain. PATIENTS AND METHODS A 24-month observational, multicentric, cross-sectional and retrospective study was performed. Children diagnosed with JIA were enrolled at three tertiary-care Spanish hospitals. The study included children treated with biologic disease-modifying antirheumatic drugs (bDMARD) who participated in a previous study, the ITACA, and who continued follow-up in these pediatric rheumatology units. Patient health-related quality of life (HRQoL) was assessed using the Pediatric Quality of Life Inventory (PedsQL™). Caregivers completed an interview to gather information about school attendance, their children's participation in school and social activities, its impact on their jobs and social life and perceived psychosocial support. A descriptive statistical analysis of all the variables was performed. The Mann-Whitney-U test or Kruskall-Wallis H test were used to compare quantitative variables and Fisher's exact tests was used for qualitative variables. Tests were two-tailed with a significance level of 5%. The data were analyzed using SPSS V18.0 statistical software. RESULTS One hundred and seven patients were included. Overall, patients were on inactive disease or low disease activity according to JADAS-71 score and had very low functional disability according to CHAQ score. Up to 94.4% of patients were receiving drug treatment, mainly with bDMARD in monotherapy (84.5%). Based on PedsQL, patients and parents referred a high HRQoL. School Functioning PedsQL domain achieved the lowest score. Work and social impact due to the child´s disease was greater for mothers than for fathers. The understanding of the disease was lower at school than in the with family and friends' environments. CONCLUSION Most of the patients had a high HRQoL and had controlled disease activity, despite having a negative psychosocial impact on some of them and their families, mainly on school functioning. Children's disease seems to involve greater work and psychosocial impacts for mothers than for fathers of children affected by JIA.
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Affiliation(s)
- Inmaculada Calvo Penadés
- Pediatric Rheumatology Unit. Hospital Universitario y Policlínico La Fe, La Fe Health Research Institute, Valencia, Spain
| | - Estefania Moreno Ruzafa
- Pediatric Rheumatology Section, Hospital Campus Universitari Vall d'Hebron, Barcelona, Spain
| | - Joan Calzada-Hernández
- Pediatric Rheumatology Department, Hospital San Joan de Déu, Barcelona, Spain
- Institut de Recerca San Joan de Déu, Barcelona, Spain
| | - Juan Mosquera Angarita
- Pediatric Rheumatology Department, Hospital San Joan de Déu, Barcelona, Spain
- Institut de Recerca San Joan de Déu, Barcelona, Spain
| | - Berta López Montesinos
- Pediatric Rheumatology Unit. Hospital Universitario y Policlínico La Fe, La Fe Health Research Institute, Valencia, Spain
| | - Rosa Bou
- Pediatric Rheumatology Department, Hospital San Joan de Déu, Barcelona, Spain
- Institut de Recerca San Joan de Déu, Barcelona, Spain
| | - Mireia López Corbeto
- Pediatric Rheumatology Section, Hospital Campus Universitari Vall d'Hebron, Barcelona, Spain
| | - Judith Sánchez-Manubens
- Pediatric Rheumatology Department, Hospital San Joan de Déu, Barcelona, Spain
- Institut de Recerca San Joan de Déu, Barcelona, Spain
- Universitat Autonoma Barcelona, Barcelona, Spain
- Servei de Pediatria, Hospital Parc Taulí Sabadell, Barcelona, Spain
| | | | - Sonia Carriquí Arenas
- Pediatric Rheumatology Department, Hospital San Joan de Déu, Barcelona, Spain
- Institut de Recerca San Joan de Déu, Barcelona, Spain
| | - Violeta Bittermann
- Pediatric Rheumatology Department, Hospital San Joan de Déu, Barcelona, Spain
- Institut de Recerca San Joan de Déu, Barcelona, Spain
| | | | | | - Estíbaliz Iglesias
- Pediatric Rheumatology Department, Hospital San Joan de Déu, Barcelona, Spain
- Institut de Recerca San Joan de Déu, Barcelona, Spain
| | - Miguel Marti Masanet
- Pediatric Rheumatology Unit. Hospital Universitario y Policlínico La Fe, La Fe Health Research Institute, Valencia, Spain
| | - Lucía LaCruz Pérez
- Pediatric Rheumatology Unit. Hospital Universitario y Policlínico La Fe, La Fe Health Research Institute, Valencia, Spain
| | | | | | | | | | | | - Jordi Antón
- Pediatric Rheumatology Department, Hospital San Joan de Déu, Barcelona, Spain
- Institut de Recerca San Joan de Déu, Barcelona, Spain
- Universitat Barcelona, Barcelona, Spain
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Antón J, Moreno Ruzafa E, Lopez Corbeto M, Bou R, Sánchez Manubens J, Carriquí Arenas S, Calzada Hernández J, Bittermann V, Estepa Guillén C, Mosquera Angarita J, Rodríguez Díez L, Iglesias E, Marti Masanet M, Lopez Montesinos B, González Fernández MI, de Lossada A, Peral C, Valderrama M, Llevat N, Montoro Álvarez M, Calvo Penadés I. Real-World Health Care Outcomes and Costs Among Patients With Juvenile Idiopathic Arthritis in Spain. JOURNAL OF HEALTH ECONOMICS AND OUTCOMES RESEARCH 2023; 10:141-149. [PMID: 38145114 PMCID: PMC10742379 DOI: 10.36469/001c.85088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 08/07/2023] [Indexed: 12/26/2023]
Abstract
Background: Juvenile idiopathic arthritis (JIA) is the most frequent chronic rheumatic disease in children. If inflammation is not adequately treated, joint damage, long-term disability, and active disease during adulthood can occur. Identifying and implementing early and adequate therapy are critical for improving clinical outcomes. The burden of JIA on affected children, their families, and the healthcare system in Spain has not been adequately assessed. The greatest contribution to direct costs is medication, but other expenses contribute to the consumption of resources, negatively impacting healthcare cost and the economic conditions of affected families. Objective: To assess the direct healthcare, indirect resource utilization, and associated cost of moderate-to-severe JIA in children in routine clinical practice in Spain. Methods: Children were enrolled in this 24-month observational, multicentric, cross-sectional, retrospective study (N = 107) if they had been treated with biologic disease-modifying anti-rheumatic drugs (bDMARDs), had participated in a previous study (ITACA), and continued to be followed up at pediatric rheumatology units at 3 tertiary Spanish hospitals. Direct costs included medication, specialist and primary care visits, hospitalizations, emergency visits or consultations, surgeries, physiotherapy, and tests. Indirect costs included hospital travel expenses and loss of caregiver working hours. Unitary costs were obtained from official sources (€, 2020). Results: Overall, children had inactive disease/low disease activity according to JADAS-71 score and very low functional disability as measured by Childhood Health Assessment Questionnaire score. Up to 94.4% of children received treatment, mainly with bDMARDs as monotherapy (84.5%). Among anti-TNFα treatments, adalimumab (47.4%) and etanercept (40.2%) were used in similar proportions. Annual mean (SD) total JIA cost was €7516.40 (€5627.30). Average cost of pharmacological treatment was €3021.80 (€3956.20), mainly due to biologic therapy €2789.00 (€3399.80). Direct annual cost (excluding treatments) was €3654.60 (€3899.00). Indirect JIA cost per family was €747.20 (€1452.80). Conclusion: JIA causes significant costs to the Spanish healthcare system and affected families. Public costs are partly due to the high cost of biologic treatments, which nevertheless remain an effective long-term treatment, maintaining inactive disease/low disease activity state; a very low functional disability score; and a good quality of life.
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Affiliation(s)
- Jordi Antón
- Pediatric Rheumatology Department Hospital San Joan de Déu, Barcelona, Spain
- Universitat Autònoma de Barcelona, Barcelona, Spain
| | | | - Mireia Lopez Corbeto
- Pediatric Rheumatology Section, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Rosa Bou
- Pediatric Rheumatology Department Hospital San Joan de Déu, Barcelona, Spain
| | - Judith Sánchez Manubens
- Pediatric Rheumatology Department Hospital San Joan de Déu, Barcelona, Spain
- Servei de Pediatria, Hospital Parc Taulí Sabadell
| | | | | | - Violetta Bittermann
- Pediatric Rheumatology Department Hospital San Joan de Déu, Barcelona, Spain
| | | | | | | | - Estíbaliz Iglesias
- Pediatric Rheumatology Department Hospital San Joan de Déu, Barcelona, Spain
| | - Miguel Marti Masanet
- Pediatric Rheumatology Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Berta Lopez Montesinos
- Pediatric Rheumatology Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
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Kip MMA, de Roock S, van den Berg I, Currie G, Marshall DA, Grazziotin LR, Twilt M, Yeung RSM, Benseler SM, Vastert SJ, Wulffraat N, Swart JF, IJzerman MJ. Costs of Hospital-Associated Care for Patients With Juvenile Idiopathic Arthritis in the Dutch Health Care System. Arthritis Care Res (Hoboken) 2022; 74:1585-1592. [PMID: 33938161 PMCID: PMC9796352 DOI: 10.1002/acr.24621] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 03/23/2021] [Accepted: 04/08/2021] [Indexed: 01/01/2023]
Abstract
OBJECTIVE The aim of this study was to quantify costs of hospital-associated care for juvenile idiopathic arthritis (JIA), provide insights in patient-level variation in costs, and investigate costs over time from the moment of JIA diagnosis. Results were reported for all JIA patients in general and by subtype. METHODS: This study was a single-center, retrospective analysis of prospective data from electronic medical records of children with JIA, ages 0-18 years, between April 1, 2011 and March 31, 2019. Patient characteristics (age, sex, JIA subtype) and hospital-based resource use (consultations, medication, radiology procedures, laboratory testing, surgeries, emergency department [ED] visits, hospital stays) were extracted and analyzed. Unit prices were obtained from Dutch reimbursement lists and pharmaceutical and hospital list prices. RESULTS The analysis included 691 patients. The mean total cost of hospital care was €3,784/patient/year, of which €2,103 (55.6%) was attributable to medication. Other costs involved pediatric rheumatologist visits (€633/patient/year [16.7%]), hospital stays (€439/patient/year [11.6%]), other within-hospital specialist visits (€324/patient/year [8.6%]), radiology procedures (€119/patient/year [3.1%]), laboratory tests (€114/patient/year [3.0%]), surgeries (€46/patient/year [1.2%]), and ED visits (€6/patient/year [0.2%]). Mean annual total costs varied between JIA subtypes and between individuals and were the highest for systemic JIA (€7,772/patient/year). Over the treatment course, costs were the highest in the first month after JIA diagnosis. CONCLUSION Hospital care costs of JIA vary substantially between individuals, between subtypes, and over the treatment course. The highest annual costs were for systemic JIA, primarily attributable to medication (i.e., biologics). Costs of other hospital-associated care were comparable regardless of subtype.
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Affiliation(s)
- Michelle M. A. Kip
- Wilhelmina Children's Hospital, Utrecht, The Netherlands, and University of TwenteEnschedeThe Netherlands
| | - Sytze de Roock
- Wilhelmina Children's Hospital and Utrecht UniversityUtrechtThe Netherlands
| | | | | | | | | | | | | | | | | | - Nico Wulffraat
- Wilhelmina Children's Hospital and Utrecht UniversityUtrechtThe Netherlands
| | - Joost F. Swart
- Wilhelmina Children's Hospital and Utrecht UniversityUtrechtThe Netherlands
| | - Maarten J. IJzerman
- University of Twente, Enschede, The Netherlands, and University of MelbourneMelbourneAustralia
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Ma J, Yu Q, Zhang T, Zhang Y. Chinese family care patterns of childhood rheumatic diseases: A cluster analysis. Int J Nurs Sci 2019; 7:41-48. [PMID: 32099858 PMCID: PMC7031127 DOI: 10.1016/j.ijnss.2019.11.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 11/14/2019] [Accepted: 11/27/2019] [Indexed: 12/31/2022] Open
Abstract
Objectives The purpose is to distinguish family care (FC) patterns of childhood rheumatic diseases in Chinese families and to determine the predictors of FC patterns. Methods This secondary analysis contained two cross-section surveys with a convenient sample of totally 398 caregivers who have a child with rheumatic diseases from four pediatric hospitals. Caregivers were required to completed Family Management Measure questionnaire. Cluster analysis was used to distinguish patterns and multinomial logistic regression analysis was used to find predictors. Results Four patterns were identified: the normal-perspective and collaborative (28.4%), the effortless and contradictory (24.6%), the chaotic and strenuous (18.3%), and the confident and concerning (28.7%). Disease category (χ2 = 21.23, P = 0.002), geographic location (χ2 = 8.41, P = 0.038), maternal educational level (χ2 = 12.69, P = 0.048) and family monthly income (χ2 = 33.21, P < 0.001) predicted different patterns. Conclusions FC patterns were different among families. Disease-related and family-related factors were vital predictors to distinguish patterns consistent with the Family Management Style Framework. The result assisted that clinicians recognize FC patterns and predictors effectively to provide tailored advice in time.
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Affiliation(s)
- Jiali Ma
- School of Nursing, Shanghai Jiao Tong University, Shanghai, China
| | - Qinglin Yu
- Department of Nephrology and Rheumatology, Children's Hospital of Shanghai Jiao Tong University, Shanghai, China
| | - Taomei Zhang
- School of Nursing, Shanghai Jiao Tong University, Shanghai, China
| | - Ying Zhang
- School of Nursing, Shanghai Jiao Tong University, Shanghai, China
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Kip MMA, Currie G, Marshall DA, Grazziotin Lago L, Twilt M, Vastert SJ, Swart JF, Wulffraat N, Yeung RSM, Benseler SM, IJzerman MJ. Seeking the state of the art in standardized measurement of health care resource use and costs in juvenile idiopathic arthritis: a scoping review. Pediatr Rheumatol Online J 2019; 17:20. [PMID: 31060557 PMCID: PMC6501309 DOI: 10.1186/s12969-019-0321-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 04/11/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND This study aims to describe current practice in identifying and measuring health care resource use and unit costs in economic evaluations or costing studies of juvenile idiopathic arthritis (JIA). METHODS A scoping review was conducted (in July 2018) in PubMed and Embase to identify economic evaluations, costing studies, or resource utilization studies focusing on patients with JIA. Only English language peer-reviewed articles reporting primary research were included. Data from all included full-text articles were extracted and analysed to identify the reported health care resource use items. In addition, the data sources used to obtain these resource use and unit costs were identified for all included articles. RESULTS Of 1176 unique citations identified by the search, 20 full-text articles were included. These involved 4 full economic evaluations, 5 cost-outcome descriptions, 8 cost descriptions, and 3 articles reporting only resource use. The most commonly reported health care resource use items involved medication (80%), outpatient and inpatient hospital visits (80%), laboratory tests (70%), medical professional visits (70%) and other medical visits (65%). Productivity losses of caregivers were much more often incorporated than (future) productivity losses of patients (i.e. 55% vs. 15%). Family borne costs were not commonly captured (ranging from 15% for school costs to 50% for transportation costs). Resource use was mostly obtained from family self-reported questionnaires. Estimates of unit costs were mostly based on reimbursement claims, administrative data, or literature. CONCLUSIONS Despite some consistency in commonly included health care resource use items, variability remains in including productivity losses, missed school days and family borne costs. As these items likely substantially influence the full cost impact of JIA, the heterogeneity found between the items reported in the included studies limits the comparability of the results. Therefore, standardization of resource use items and unit costs to be collected is required. This standardization will provide guidance to future research and thereby improve the quality and comparability of economic evaluations or costing studies in JIA and potentially other childhood diseases. This would allow better understanding of the burden of JIA, and to estimate how it varies across health care systems.
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Affiliation(s)
- Michelle M. A. Kip
- Department of Health Technology and Services Research, Faculty of Behavioural, Management and Social Sciences, Technical Medical Centre, University of Twente, P.O. Box 217, 7500 AE Enschede, the Netherlands
| | - Gillian Currie
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta Canada
- Department of Paediatrics, Cumming School of Medicine, University of Calgary, Calgary, Alberta Canada
| | - Deborah A. Marshall
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta Canada
| | - Luiza Grazziotin Lago
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta Canada
| | - Marinka Twilt
- Division of Rheumatology, Department of Pediatrics, Alberta Children’s Hospital, Cumming School of Medicine, University of Calgary, Calgary, Alberta Canada
| | - Sebastiaan J. Vastert
- Division of Paediatrics, Department of Paediatric Rheumatology, University Medical Center Utrecht, Wilhelmina Children’s Hospital, Utrecht, The Netherlands
| | - Joost F. Swart
- Division of Paediatrics, Department of Paediatric Rheumatology, University Medical Center Utrecht, Wilhelmina Children’s Hospital, Utrecht, The Netherlands
| | - Nico Wulffraat
- Division of Paediatrics, Department of Paediatric Rheumatology, University Medical Center Utrecht, Wilhelmina Children’s Hospital, Utrecht, The Netherlands
| | - Rae S. M. Yeung
- Division of Rheumatology, Department of Paediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Ontario Canada
| | - Susanne M. Benseler
- Division of Rheumatology, Department of Pediatrics, Alberta Children’s Hospital, Cumming School of Medicine, University of Calgary, Calgary, Alberta Canada
| | - Maarten J. IJzerman
- Department of Health Technology and Services Research, Faculty of Behavioural, Management and Social Sciences, Technical Medical Centre, University of Twente, P.O. Box 217, 7500 AE Enschede, the Netherlands
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