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Lyng KD, Sørensen LB, Platzer OJ, Pedersen SK, Gürühan S, Vasconcelos G, de Vos RJ, Rathleff MS. There is a Lack of Clinical Homogeneity in Lower-Limb Tendinopathy Trials: A Scoping Review. J Orthop Sports Phys Ther 2024; 54:1-10. [PMID: 38051676 DOI: 10.2519/jospt.2023.11722] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
OBJECTIVE: It is unclear if clinical trials of treatments for lower-limb tendinopathies include clinically homogeneous participant populations (an assumption for pooling in meta-analyses). We assessed the recruitment setting and participant characteristics used in randomized controlled trials (RCTs) that were investigating any treatment for lower-limb tendinopathies. DESIGN: Scoping review. METHODS: We conducted a systematic literature search in the PubMed, Embase, Cochrane CENTRAL, and Web of Science databases. All RCTs that were investigating treatments for lower-limb tendinopathies in an adult population (≥18 years) were eligible for inclusion. At least 2 authors conducted independent screening and selection of full-text papers, and extracted data from included studies. RESULTS: Of 18 341 records, 342 RCTs (21 897 participants) were eligible for inclusion and data extraction. The most common diagnoses were plantar fasciopathy (n = 195, 57%), Achilles tendinopathy (n = 82, 24%), and patellar tendinopathy (n = 41, 12%). Secondary care (n = 144, 42%) was the most reported recruitment setting, followed by an open setting (n = 44, 13%). In 93 (27%) RCTs, the recruitment setting was not described. We found high heterogeneity in participant characteristics (eg, symptom duration, age, body mass index, and the Victorian Institute of Sport Assessment [VISA] questionnaire score) within and between recruitment settings. CONCLUSION: Our results question whether clinical homogeneity can be adequately assumed in clinical trials of lower-limb tendinopathies due to the lack of clear reporting of the recruitment setting and the variability within and between recruitment settings of key participant characteristics. These findings threaten assumptions for meta-analyses in lower-limb tendinopathies. J Orthop Sports Phys Ther 2024;54(1):1-10. Epub 5 December 2023. doi:10.2519/jospt.2023.11722.
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Andersen LN, Kristensen KL, Howell CM, Rathleff MS, Fonager K, Lyng KD. What matters to people with chronic musculoskeletal pain consulting general practice? Comparing research priorities across different sectors. Scand J Pain 2023; 23:759-766. [PMID: 37694842 DOI: 10.1515/sjpain-2023-0046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 08/08/2023] [Indexed: 09/12/2023]
Abstract
OBJECTIVES Chronic musculoskeletal pain (CMP) is a common condition, often consulted in general practice. Our previous study identified research priorities among people with CMP using a broad recruitment strategy. It is unclear whether these research priorities reflect specific settings, including the population in general practice. Potential dissimilarities may have important implications for future research. Therefore, the study aims to explore potential differences between the previously established research priorities compared to priorities of people with CMP consulting general practice. METHODS Eighty-eight people living with CMP (51 females/37 males) from four regions of Denmark were recruited when they consulted their general practitioner. Participants were presented to an online survey and asked to prioritise predefined research themes (n=14) and research questions (n=38). The prioritisations were summarised into a Top-10 research priorities and compared the Top-10 from our previous study. RESULTS Treatment (n=57), diagnosis (n=46), cross-sectoral management (n=39) and influence on daily life (n=39) were the most selected research themes. The most prioritised research questions regarded the effectiveness of treatments and cross-sectoral management, improving diagnostic approaches and how pain affects the individuals' mental state. Four out of ten research questions aligned with our previous Top-10. CONCLUSIONS Our study identified several differences in research priorities between people living with CMP from the general population and from general practice. These findings highlight the needs for investigating how different settings influence research prioritisation. This adds important knowledge for researchers and policymakers focusing on future research within the management of CMP.
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Affiliation(s)
- Liv Nyhave Andersen
- Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
- Department of Clinical Medicine, Center for General Practice at Aalborg University, Aalborg University, Aalborg, Denmark
| | | | - Clara Margrethe Howell
- Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | - Michael Skovdal Rathleff
- Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
- Department of Clinical Medicine, Center for General Practice at Aalborg University, Aalborg University, Aalborg, Denmark
| | - Kirsten Fonager
- Department of Clinical Medicine, Faculty of Medicine, Aalborg University, Aalborg, Denmark
- Department of Social Medicine, Aalborg University Hospital, Aalborg, Denmark
| | - Kristian Damgaard Lyng
- Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
- Department of Clinical Medicine, Center for General Practice at Aalborg University, Aalborg University, Aalborg, Denmark
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Lyng KD, Sørensen LB, Olesen JL, Rathleff MS, Holden S. Do adolescents with Osgood-Schlatter display nociplastic pain manifestations compared to controls: A cross-sectional study. J Sci Med Sport 2023:S1440-2440(23)00085-3. [PMID: 37391284 DOI: 10.1016/j.jsams.2023.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 05/10/2023] [Accepted: 05/16/2023] [Indexed: 07/02/2023]
Abstract
OBJECTIVES Osgood-Schlatter disease is an overuse musculoskeletal pain condition. The pain mechanism is considered nociceptive, but no studies have investigated nociplastic manifestations. This study investigated pain sensitivity and inhibition evaluated through exercise-induced hypoalgesia in adolescents with and without Osgood-Schlatter. DESIGN Cross-sectional study. METHODS Adolescents underwent a baseline assessment comprising clinical history, demographics, sports participation, and pain severity rated (0-10) during a 45-second anterior knee pain provocation test, consisting of an isometric single leg squat. Pressure pain thresholds were assessed bilaterally at the quadriceps, tibialis anterior muscle, and the patella tendon before and after a three-minute wall squat. RESULTS Forty-nine adolescents (27 Osgood-Schlatter, 22 controls) were included. There were no differences in the exercise-induced hypoalgesia effect between Osgood-Schlatter and controls. Overall, an exercise-induced hypoalgesia effect was detected at the tendon only in both groups with a 48 kPa (95 % confidence interval 14 to 82) increase in pressure pain thresholds from before to after exercise. Controls had higher pressure pain thresholds at the patellar tendon (mean difference 184 kPa 95 % confidence interval 55 to 313), tibialis anterior (mean difference 139 kPa 95 % confidence interval 24 to 254), and rectus femoris (mean difference 149 kPa 95 % confidence interval 33 to 265). Higher anterior knee pain provocation severity was associated with lower exercise-induced hypoalgesia at the tendon (Pearson correlation = 0.48; p = 0.011) in participants with Osgood-Schlatter. CONCLUSIONS Adolescents with Osgood-Schlatter display increased pain sensitivity locally, proximally, and distally but similar endogenous pain modulation compared to healthy controls. Greater Osgood-Schlatter severity appears to be associated with less efficient pain inhibition during the exercise-induced hypoalgesia paradigm.
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Affiliation(s)
- Kristian Damgaard Lyng
- Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Denmark; Center for General Practice at Aalborg University, Denmark. https://twitter.com/kristianlyng_
| | - Line Bay Sørensen
- Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Denmark. https://twitter.com/LineBaySrensen1
| | | | - Michael Skovdal Rathleff
- Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Denmark; Center for General Practice at Aalborg University, Denmark; Department of Occupational Therapy and Physiotherapy, Aalborg University Hospital, Denmark. https://twitter.com/MichaelRathleff
| | - Sinead Holden
- Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Denmark; UCD Clinical Research Centre, School of Medicine, University College Dublin, Ireland.
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Lyng KD, Andersen JD, Jensen SL, Olesen JL, Arendt‐Nielsen L, Madsen NK, Petersen KK. The influence of exercise on clinical pain and pain mechanisms in patients with subacromial pain syndrome. Eur J Pain 2022; 26:1882-1895. [PMID: 35852027 PMCID: PMC9545950 DOI: 10.1002/ejp.2010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 06/08/2022] [Accepted: 07/09/2022] [Indexed: 11/17/2022]
Abstract
Background Few studies have investigated the underlying mechanisms for unilateral subacromial pain syndrome (SAPS). Therefore, this study examined (1) if 8‐weeks of exercise could modulate clinical pain or temporal summation of pain (TSP), conditioned pain modulation (CPM), and exercise‐induced hypoalgesia (EIH) and (2) if any of these parameters could predict the effect of 8‐weeks of exercise in patients with unilateral SAPS. Methods Thirty‐seven patients completed a progressive abduction exercise program every other day for 8‐weeks. Worst shoulder pain in full abduction was rated on a numeric rating scale (NRS). Pain pressure thresholds (PPTs), TSP, CPM, EIH, Shoulder Pain and Disability Index (SPADI), Pain Catastrophizing Scale (PCS), PainDETECT questionnaire (PD‐Q), Pain Self‐Efficacy Questionnaire (PSE‐Q) and Pittsburgh Sleep Quality Index (PSQI) were assessed before and after intervention. Results The intervention improved worst pain intensity (p < 0.001), increased the CPM (p < 0.001), improved the sleep scores (p < 0.005) and reduced the PainDETECT ratings (p < 0.001). No changes were observed in PPT, TSP, EIH, SPADI, PCS and PSE‐Q (all p > 0.05). In a linear regression, the combination of all baseline parameters predicted 23.2% variance in absolute change in pain after 8 weeks. Applying backwards elimination to the linear regression yielded that baseline pain intensity combined with TSP predicted 33.8% variance. Conclusion This explorative study suggested reduction in pain, improved sleep quality and increased CPM after 8‐weeks of exercise. Furthermore, the results suggests that low pain intensity and high TSP scores (indicative for pain sensitisation) may predict a lack of pain improvement after exercise.
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Affiliation(s)
- Kristian Damgaard Lyng
- Department of Health Science and Technology, Faculty of Medicine Aalborg University Denmark
- Center for General Practice at Aalborg University, Department of Clinical Medicine, Aalborg University
| | - Jonas Dahl Andersen
- Department of Health Science and Technology, Faculty of Medicine Aalborg University Denmark
| | - Steen Lund Jensen
- Department of Orthopaedic Surgery, Shoulder Unit Aalborg University Hospital, Farsø Hospital
- Department of Clinical Medicine, Faculty of Medicine Aalborg University Aalborg Denmark
| | - Jens Lykkegaard Olesen
- Center for General Practice at Aalborg University, Department of Clinical Medicine, Aalborg University
| | - Lars Arendt‐Nielsen
- Center for Neuroplasticity and Pain (CNAP), SMI, Department of Health Science and Technology, Faculty of Medicine Aalborg University Aalborg Denmark
- Department of Gastroenterology and Hepatology, Mech‐Sense Aalborg University Hospital Aalborg Denmark
| | - Niels Kragh Madsen
- Department of Orthopaedic Surgery, Shoulder Unit Aalborg University Hospital, Farsø Hospital
| | - Kristian Kjær Petersen
- Department of Health Science and Technology, Faculty of Medicine Aalborg University Denmark
- Center for Neuroplasticity and Pain (CNAP), SMI, Department of Health Science and Technology, Faculty of Medicine Aalborg University Aalborg Denmark
- Center for Mathematical Modeling of Knee Osteoarthritis (MathKOA), Department of Material and Production, Faculty of Engineering and Science Aalborg University
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Hoegh M, Stanton T, George S, Lyng KD, Vistrup S, Rathleff MS. Infographic. Pain or injury? Why differentiation matters in exercise and sports medicine. Br J Sports Med 2021; 56:299-300. [PMID: 34531187 DOI: 10.1136/bjsports-2021-104633] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/06/2021] [Indexed: 11/03/2022]
Affiliation(s)
- Morten Hoegh
- Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
| | - Tasha Stanton
- IIMPACT in Health, Allied Health & Human Performance Academic Unit, University of South Australia, Adelaide, South Australia, Australia
| | - Steven George
- Department of Orthopaedic Surgery and Duke Clinical Research Institute, Duke University, Durham, North Carolina, USA
| | - Kristian Damgaard Lyng
- Department of Health Science and Technology, Aalborg University, Aalborg, Denmark.,Center for General Practice at Aalborg University, Aalborg University, Aalborg, Denmark
| | - Sabina Vistrup
- Center for General Practice at Aalborg University, Aalborg University, Aalborg, Denmark
| | - Michael Skovdal Rathleff
- Department of Health Science and Technology, Aalborg University, Aalborg, Denmark.,Center for General Practice at Aalborg University, Aalborg University, Aalborg, Denmark
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Winters M, Lyng KD, Holden S, Lura CB, Welton NJ, Caldwell DM, Vicenzino B, Weir A, Rathleff MS. Infographic. Comparative effectiveness of treatments for patellofemoral pain: a living systematic review with network meta-analysis. Br J Sports Med 2021; 55:1311-1312. [PMID: 34244170 DOI: 10.1136/bjsports-2021-104360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/30/2021] [Indexed: 11/04/2022]
Affiliation(s)
- Marinus Winters
- Center for General Practice, Aalborg University, Aalborg, Denmark
| | | | - Sinead Holden
- Center for General Practice, Aalborg University, Aalborg, Denmark.,SMI, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
| | | | - Nicky J Welton
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Deborah M Caldwell
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Bill Vicenzino
- School of Health and Rehabilitation Sciences: Physiotherapy, University of Queensland, Brisbane, Queensland, Australia
| | - Adam Weir
- Sports Groin Pain Centre, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar.,Department of Orthopaedics, Erasmus MC University Medical Center for Groin Injuries, Rotterdam, The Netherlands.,Sports Medicine and Exercise Clinic Haarlem (SBK), Haarlem, The Netherlands
| | - Michael Skovdal Rathleff
- Center for General Practice, Aalborg University, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg University Hospital, Aalborg, Denmark
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Lyng KD, Thorsen JBB, Boye Larsen D, Kjær Petersen K. The Modulatory Effect of QST in Shoulder Pain: A Systematic Review and Meta-Analysis. Pain Med 2021; 23:733-744. [PMID: 33905508 DOI: 10.1093/pm/pnab155] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND The underlying mechanisms for shoulder pain (SP) are still widely unknown. Previous reviews report signs of altered pain processing in SP measured using quantitative sensory testing (QST). Evidence suggests that QST might hold predictive value for SP after intervention, yet it is not known whether QST profiles can be modulated in response to different treatments. Therefore, this systematic review and meta-analysis aimed to assess if QST-parameters can be modified by interventions for patients with SP. METHODS Three databases were searched to identify eligible studies. Eligible studies had a prospective design, with at least one QST variable as an outcome in conjunction with an intervention measured before and after intervention. Studies that involved SP caused by spinal or brain injury and studies looking at combined chronic neck/shoulder pain were excluded. RESULTS 19 studies investigating SP were eligible for inclusion for this review. Pressure pain threshold (PPT) was the most frequently used QST-parameter investigating local and widespread hyperalgesia. A meta-analysis was performed with data from 10 studies with a total of 16 interventions. Results demonstrated an overall acute effect (<24 hours after intervention) of interventions in favour of local decreased pain sensitivity and of remote decreased pain sensitivity comparing PPTs before and after interventions. CONCLUSIONS This study demonstrates that interventions such as exercise and manual therapy can modulate PPTs acutely both locally and remotely in patients with shoulder pain. Further research investigating the acute and long-term modulatory ability of these interventions on other QST-parameters is needed in patients with shoulder pain.
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Affiliation(s)
- Kristian Damgaard Lyng
- SMI, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | | | - Dennis Boye Larsen
- SMI, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark.,Center for Neuroplasticity and Pain, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | - Kristian Kjær Petersen
- SMI, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark.,Center for Neuroplasticity and Pain, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
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Lyng KD, Rathleff MS, Dean BJF, Kluzek S, Holden S. Current management strategies in Osgood Schlatter: A cross-sectional mixed-method study. Scand J Med Sci Sports 2020; 30:1985-1991. [PMID: 32562293 DOI: 10.1111/sms.13751] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 03/12/2020] [Accepted: 05/25/2020] [Indexed: 01/02/2023]
Abstract
BACKGROUND Osgood Schlatter disease (OSD) is the most common knee condition in adolescent athletes aged 9-16. Without evidence to guide clinical practice, it is unclear how OSD is managed. The aim of this study was to investigate how international healthcare professionals (general practitioners, physiotherapists, rheumatologists, sports and exercise medicine doctors, and orthopedic surgeons) diagnose and manage OSD. METHODS This mixed-method study used a convergent parallel design. A quantitative questionnaire and semi-structured interview covered prognosis, diagnosis, treatment, and return to play of adolescents with OSD. For quantitative data, those who reported likely/very likely considered "for" and unlikely/very unlikely "against" (for specific diagnostic/management strategy). Qualitative data analysis used a phenomenological approach. RESULTS Two hundred and fifty-one healthcare professionals completed the questionnaire. The most common diagnostic criterion was pain at the tibial tuberosity (97% for). The most common treatments were patient education (99%) and exercise therapy (92%). Other treatment options were more heterogeneous, for example, pain medication (31% for and 34% against). Managing training load (97%), pain intensity (87%), and psychological factors (86%) were considered the most important factors influencing the return to activities. Several themes emerged from the interviews (on N = 20) including imaging, pain management, family, and psychosocial factors influencing prognosis. CONCLUSION Diagnosis criteria of OSD were relatively well agreed upon, whereas the triangulation of qualitative and quantitative data showed heterogeneity of treatments. Psychosocial factors including family were highlighted as critical in the management of OSD.
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Affiliation(s)
- Kristian Damgaard Lyng
- Department of Clinical Medicine, Center for General Practice in Aalborg, Aalborg University, Aalborg East, Denmark
| | - Michael Skovdal Rathleff
- Department of Clinical Medicine, Center for General Practice in Aalborg, Aalborg University, Aalborg East, Denmark.,Department of Health Science and Technology, Faculty of Medicine, Center for Sensory-Motor Interaction (SMI), Aalborg University, Aalborg East, Denmark.,Department of Occupational Therapy and Physiotherapy, Aalborg University Hospital, Aalborg, Denmark
| | - Benjamin John Floyd Dean
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Botnar Research Centre, Oxford, UK
| | - Stefan Kluzek
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Botnar Research Centre, Oxford, UK.,Department of Rheumatology, Orthopaedic and Dermatology, University of Nottingham, Nottingham, UK
| | - Sinead Holden
- Department of Clinical Medicine, Center for General Practice in Aalborg, Aalborg University, Aalborg East, Denmark.,Department of Health Science and Technology, Faculty of Medicine, Center for Sensory-Motor Interaction (SMI), Aalborg University, Aalborg East, Denmark
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Vaegter HB, Lyng KD, Yttereng FW, Christensen MH, Sørensen MB, Graven-Nielsen T. Exercise-Induced Hypoalgesia After Isometric Wall Squat Exercise: A Test-Retest Reliabilty Study. Pain Medicine 2018; 20:129-137. [DOI: 10.1093/pm/pny087] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Henrik Bjarke Vaegter
- Pain Research Group, Pain Center, Department of Anesthesiology and Intensive Care Medicine, University Hospital Odense, Odense, Denmark
- Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark
| | | | | | | | | | - Thomas Graven-Nielsen
- Department of Health Science and Technology, Faculty of Medicine, Center for Neuroplasticity and Pain (CNAP), SMI, Aalborg University, Aalborg, Denmark
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