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Nassikas NJ, Luttmann-Gibson H, Rifas-Shiman SL, Oken E, Gold DR, Rice MB. Acute exposure to pollen and airway inflammation in adolescents. Pediatr Pulmonol 2024; 59:1313-1320. [PMID: 38353177 PMCID: PMC11058013 DOI: 10.1002/ppul.26908] [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: 10/18/2023] [Revised: 01/08/2024] [Accepted: 01/31/2024] [Indexed: 02/22/2024]
Abstract
INTRODUCTION Pollen exposure is known to exacerbate allergic asthma and allergic rhinitis symptoms, yet few studies have investigated if exposure to pollen affects lung function or airway inflammation in healthy children. METHODS We evaluated the extent to which higher pollen exposure was associated with differences in airway inflammation and lung function among 490 early adolescent participants (mean age of 12.9 years) in Project Viva, a prebirth cohort based in Massachusetts. We obtained regional daily total pollen counts, including tree, grass, and weed pollen, from a Rotorod pollen counter. We evaluated associations of 3- and 7-day moving averages of pollen with fractional exhaled nitric oxide (FeNO) and lung function using linear regression models and evaluated the linearity of associations with penalized splines. We tested if associations of pollen with FeNO and lung function were modified by current asthma diagnosis, history of allergic rhinitis, aeroallergen sensitivity, temperature, precipitation, and air pollution. RESULTS Three- and 7-day median pollen concentrations were 19.0 grains/m3 (IQR: 73.4) and 20.9 grains/m3 (IQR: 89.7). In main models, higher concentrations of total pollen over the preceding 3 and 7 days were associated with a 4.6% (95% CI: 0.1,9.2) and 7.4% (95% CI: 0.9,14.3) higher FeNO per IQR of pollen, respectively. We did not find associations of pollen with lung function in main models. Asthma, allergic rhinitis, precipitation, and air pollution (nitrogen dioxide and ozone) modified associations of pollen with lung function (Pinteraction < 0.1), while temperature, sex, and aeroallergen sensitization did not. CONCLUSION Short-term exposure to pollen was associated with higher FeNO in early adolescents, even in the absence of allergic sensitization and asthma.
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Affiliation(s)
- Nicholas J. Nassikas
- Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, MA
| | - Heike Luttmann-Gibson
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA
| | - Sheryl L. Rifas-Shiman
- Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA
| | - Emily Oken
- Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA
| | - Diane R. Gold
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA
- Channing Division of Network Medicine, Harvard Medical School, Brigham and Women’s Hospital, Boston, MA
| | - Mary B. Rice
- Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, MA
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2
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Delgado J, Navarro A, Álvarez-Gutiérrez FJ, Cisneros C, Domínguez-Ortega J. [Unmet Needs in Severe Allergic Asthma]. OPEN RESPIRATORY ARCHIVES 2023; 5:100282. [PMID: 38053757 PMCID: PMC10694599 DOI: 10.1016/j.opresp.2023.100282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 10/19/2023] [Indexed: 12/07/2023] Open
Abstract
Severe asthma affects 3%-10% of the world's population, according to estimates by the Global Initiative for ASTHMA (GINA). Allergic asthma is one of the most common phenotypes of severe asthma and it is characterized by allergen-induced type 2 inflammation in which immunoglobulin E (IgE) is a key mediator, making it an important therapeutic target. The introduction of targeted biological therapies or treatments has entered the management for severe asthma in the era of precision medicine, and the goal of treatment is clinical remission of the disease. There is a significant percentage of patients with severe allergic asthma who do not respond to treatments and whose symptoms are not controlled. In this paper, a group of experts in the management of severe allergic asthma reviewed and evaluated the most relevant evidence regarding the pathophysiology and phenotypes of severe allergic asthma, the role of IgE in allergic inflammation, allergen identification, techniques, biomarkers and diagnostic challenges, available treatments and strategies for disease management, with a special focus on biological treatments. From this review, recommendations were developed and validated through a Delphi consensus process with the aim of offering improvements in the management of severe allergic asthma to the professionals involved and identifying the unmet needs in the management of this pathology.
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Affiliation(s)
- Julio Delgado
- Unidad de Gestión Clínica, Alergología, Hospital Virgen Macarena, Sevilla, España
| | - Ana Navarro
- Unidad de Gestión Clínica, Alergología, Hospital Virgen Macarena, Sevilla, España
| | | | - Carolina Cisneros
- Servicio de Neumología, Hospital Universitario de La Princesa, Madrid, España
| | - Javier Domínguez-Ortega
- Servicio de Alergia, Hospital Universitario La Paz, Instituto de Investigación IDiPAZ, Madrid, España
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3
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Idrose NS, Zhang J, Lodge CJ, Erbas B, Douglass JA, Bui DS, Dharmage SC. A Review of the Role of Pollen in COVID-19 Infection. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:ijerph20105805. [PMID: 37239533 DOI: 10.3390/ijerph20105805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 04/05/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023]
Abstract
There is current interest in the role of ambient pollen in the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2 or COVID-19) infection risk. The aim of this review is to summarise studies published up until January 2023 investigating the relationship between airborne pollen and the risk of COVID-19 infection. We found conflicting evidence, with some studies showing that pollen may increase the risk of COVID-19 infection by acting as a carrier, while others showed that pollen may reduce the risk by acting as an inhibiting factor. A few studies reported no evidence of an association between pollen and the risk of infection. A major limiting factor of this research is not being able to determine whether pollen contributed to the susceptibility to infection or just the expression of symptoms. Hence, more research is needed to better understand this highly complex relationship. Future investigations should consider individual and sociodemographic factors as potential effect modifiers when investigating these associations. This knowledge will help to identify targeted interventions.
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Affiliation(s)
- Nur Sabrina Idrose
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, Melbourne, VIC 3053, Australia
- Centre for Food and Allergy Research, Murdoch Children's Research Institute, Parkville, Melbourne, VIC 3052, Australia
| | - Jingwen Zhang
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, Melbourne, VIC 3053, Australia
| | - Caroline J Lodge
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, Melbourne, VIC 3053, Australia
| | - Bircan Erbas
- School of Psychology and Public Health, La Trobe University, Bundoora, Melbourne, VIC 3086, Australia
| | - Jo A Douglass
- Department of Clinical Immunology and Allergy, Royal Melbourne Hospital, Parkville, Melbourne, VIC 3050, Australia
- Department of Medicine, University of Melbourne, Melbourne, VIC 3052, Australia
| | - Dinh S Bui
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, Melbourne, VIC 3053, Australia
| | - Shyamali C Dharmage
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, Melbourne, VIC 3053, Australia
- Centre for Food and Allergy Research, Murdoch Children's Research Institute, Parkville, Melbourne, VIC 3052, Australia
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4
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Biagioni B, Cecchi L, D'Amato G, Annesi-Maesano I. Environmental influences on childhood asthma: Climate change. Pediatr Allergy Immunol 2023; 34:e13961. [PMID: 37232282 DOI: 10.1111/pai.13961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 05/03/2023] [Indexed: 05/27/2023]
Abstract
Climate change is a key environmental factor for allergic respiratory diseases, especially in childhood. This review describes the influences of climate change on childhood asthma considering the factors acting directly, indirectly and with their amplifying interactions. Recent findings on the direct effects of temperature and weather changes, as well as the influences of climate change on air pollution, allergens, biocontaminants and their interplays, are discussed herein. The review also focusses on the impact of climate change on biodiversity loss and on migration status as a model to study environmental effects on childhood asthma onset and progression. Adaptation and mitigation strategies are urgently needed to prevent further respiratory diseases and human health damage in general, especially in younger and future generations.
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Affiliation(s)
- Benedetta Biagioni
- Allergy and Clinical Immunology Unit, San Giovanni di Dio Hospital, Florence, Italy
| | - Lorenzo Cecchi
- Centre of Bioclimatology, University of Florence, Florence, Italy
- SOS Allergy and Clinical Immunology, USL Toscana Centro, Prato, Italy
| | - Gennaro D'Amato
- Division of Respiratory Diseases and Allergy AORN Cardarelli and University of Naples, Federico II, Naples, Italy
| | - Isabella Annesi-Maesano
- Department of Allergic and Respiratory Diseases, Montpellier University Hospital, Institute Desbrest of Epidemiology and Public Health, University of Montpellier and INSERM, Montpellier, France
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5
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Idrose NS, Lodge CJ, Peters RL, Douglass JA, Koplin JJ, Lowe AJ, Perrett KP, Tang MLK, Newbigin EJ, Abramson MJ, Erbas B, Vicendese D, Dharmage SC. The role of short-term grass pollen exposure in food skin-prick test reactivity, food allergy, and eczema flares in children. Pediatr Allergy Immunol 2022; 33:e13862. [PMID: 36282135 PMCID: PMC9828461 DOI: 10.1111/pai.13862] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 07/13/2022] [Accepted: 09/20/2022] [Indexed: 11/23/2022]
Abstract
BACKGROUND While the relationship between pollen and respiratory allergies is well-documented, the role of short-term pollen exposure in food allergy and eczema flares has not previously been explored. We aimed to investigate these associations in a population-based sample of children. METHODS We investigated 1- (n = 1108) and 6-year-old (n = 675) children in the grass pollen season from the HealthNuts cohort. Grass pollen concentrations were considered on the day of testing (lag 0), up to three days before (lag 1-lag 3) and cumulatively (lag 0-3). Associations between grass pollen and food skin-prick test reactivity (SPT ≥ 2 mm at age 1 year and ≥ 3 mm at age 6 years), eczema flares, challenge-confirmed food allergy, reaction threshold to oral food challenges (OFC), and serum food-specific IgE levels were analyzed using either logistic or quantile regression models. Atopy and family history of allergic disease were considered as potent effect modifiers. RESULTS Grass pollen at lag 0-3 (every 20 grains/m3 increase) was associated with an up to 1.2-fold increased odds of food SPT reactivity and eczema flares in 6-year-olds. In 1-year-olds, the associations were only observed for peanut in those with a family history of food allergy. Increasing grass pollen concentrations were associated with a lower reaction threshold to OFC and higher serum IgE levels in peanut-allergic 1-year-olds only. CONCLUSION Increasing grass pollen concentration was associated with increased risk of food SPT reactivity and eczema flares in children. The associations in peanut-allergic infants may be related to immune activation and/or peanut and grass pollen cross-reactivity leading to a lower reaction threshold.
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Affiliation(s)
- Nur Sabrina Idrose
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, Carlton, Victoria, Australia.,Centre for Food and Allergy Research (CFAR), Murdoch Children's Research Institute, Parkville, Victoria, Australia
| | - Caroline J Lodge
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, Carlton, Victoria, Australia
| | - Rachel L Peters
- Centre for Food and Allergy Research (CFAR), Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Department of Pediatrics, The University of Melbourne, Victoria, Australia
| | - Jo A Douglass
- Department of Clinical Immunology and Allergy, Royal Melbourne Hospital, Parkville, Victoria, Australia.,Department of Medicine, University of Melbourne, Victoria, Australia
| | - Jennifer J Koplin
- Centre for Food and Allergy Research (CFAR), Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Department of Pediatrics, The University of Melbourne, Victoria, Australia
| | - Adrian J Lowe
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, Carlton, Victoria, Australia.,Centre for Food and Allergy Research (CFAR), Murdoch Children's Research Institute, Parkville, Victoria, Australia
| | - Kirsten P Perrett
- Centre for Food and Allergy Research (CFAR), Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Department of Pediatrics, The University of Melbourne, Victoria, Australia.,Department of Allergy and Immunology, Royal Children's Hospital, Melbourne, Victoria, Australia
| | - Mimi L K Tang
- Centre for Food and Allergy Research (CFAR), Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Department of Pediatrics, The University of Melbourne, Victoria, Australia.,Department of Allergy and Immunology, Royal Children's Hospital, Melbourne, Victoria, Australia
| | - Ed J Newbigin
- School of Biosciences, The University of Melbourne, Victoria, Australia
| | - Michael J Abramson
- School of Public Health & Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Bircan Erbas
- School of Psychology and Public Health, La Trobe University, Bundoora, Australia
| | - Don Vicendese
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, Carlton, Victoria, Australia.,Department of Mathematics and Statistics, La Trobe University, Bundoora, Victoria, Australia
| | - Shyamali C Dharmage
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, Carlton, Victoria, Australia.,Centre for Food and Allergy Research (CFAR), Murdoch Children's Research Institute, Parkville, Victoria, Australia
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6
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Idrose NS, Lodge CJ, Erbas B, Douglass JA, Bui DS, Dharmage SC. A Review of the Respiratory Health Burden Attributable to Short-Term Exposure to Pollen. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19127541. [PMID: 35742795 PMCID: PMC9224249 DOI: 10.3390/ijerph19127541] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 06/15/2022] [Accepted: 06/19/2022] [Indexed: 02/04/2023]
Abstract
Respiratory diseases such as asthma, allergic rhinitis (AR) and chronic obstructive pulmonary disease (COPD) affect millions worldwide and pose a significant global public health burden. Over the years, changes in land use and climate have increased pollen quantity, allergenicity and duration of the pollen season, thus increasing its impact on respiratory disease. Many studies have investigated the associations between short-term ambient pollen (i.e., within days or weeks of exposure) and respiratory outcomes. Here, we reviewed the current evidence on the association between short-term outdoor pollen exposure and thunderstorm asthma (TA), asthma and COPD hospital presentations, general practice (GP) consultations, self-reported respiratory symptoms, lung function changes and their potential effect modifiers. The literature suggests strong evidence of an association between ambient pollen concentrations and almost all respiratory outcomes mentioned above, especially in people with pre-existing respiratory diseases. However, the evidence on sub-clinical lung function changes, COPD, and effect modifiers other than asthma, hay fever and pollen sensitisation are still scarce and requires further exploration. Better understanding of the implications of pollen on respiratory health can aid healthcare professionals to implement appropriate management strategies.
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Affiliation(s)
- Nur Sabrina Idrose
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC 3053, Australia; (N.S.I.); (C.J.L.); (D.S.B.)
- Centre for Food and Allergy Research, Murdoch Children’s Research Institute, Melbourne, VIC 3052, Australia
| | - Caroline J. Lodge
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC 3053, Australia; (N.S.I.); (C.J.L.); (D.S.B.)
| | - Bircan Erbas
- School of Psychology and Public Health, La Trobe University, Bundoora, VIC 3086, Australia;
| | - Jo A. Douglass
- Department of Clinical Immunology and Allergy, Royal Melbourne Hospital, Parkville, VIC 3050, Australia;
- Department of Medicine, University of Melbourne, Melbourne, VIC 3052, Australia
| | - Dinh S. Bui
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC 3053, Australia; (N.S.I.); (C.J.L.); (D.S.B.)
| | - Shyamali C. Dharmage
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC 3053, Australia; (N.S.I.); (C.J.L.); (D.S.B.)
- Centre for Food and Allergy Research, Murdoch Children’s Research Institute, Melbourne, VIC 3052, Australia
- Correspondence: ; Tel.: +61-383-440-737
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7
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Yang YS, Xu ZQ, Zhu W, Zhu DX, Jiao YX, Zhang LS, Hou YB, Wei JF, Sun JL. Molecular and immunochemical characterization of profilin as major allergen from Platanus acerifolia pollen. Int Immunopharmacol 2022; 106:108601. [DOI: 10.1016/j.intimp.2022.108601] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/10/2022] [Accepted: 01/30/2022] [Indexed: 01/03/2023]
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8
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Idrose NS, Vicendese D, Peters RL, Koplin JJ, Douglass JA, Walters EH, Perret JL, Lowe AJ, Tang MLK, Newbigin EJ, Erbas B, Lodge CJ, Dharmage SC. Children With Food Allergy Are at Risk of Lower Lung Function on High-Pollen Days. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2022; 10:2144-2153.e10. [PMID: 35398553 DOI: 10.1016/j.jaip.2022.03.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 03/02/2022] [Accepted: 03/18/2022] [Indexed: 12/28/2022]
Abstract
BACKGROUND Grass pollen exposure is a risk factor for childhood asthma hospital attendances. However, its short-term influence on lung function, especially among those with other allergic conditions, has been less well-studied. OBJECTIVE To investigate this association in a population-based sample of children. METHODS Within the HealthNuts cohort, 641 children performed spirometry during the grass pollen season. Grass pollen concentration was considered on the day of testing (lag 0), up to 3 days before (lag 1-lag 3), and cumulatively (lag 0-3). We used linear regression to assess the relevant associations and examined potential interactions with current asthma, hay fever or eczema, and food allergy. RESULTS Associations were observed only in children with allergic disease (P value for interaction ≤ 0.1). In children with food allergy, grass pollen concentration was associated with a lower ratio of forced expiratory volume in 1 second to forced vital capacity (FEV1/FVC) and lower mid-forced expiratory flows (FEF25%-75%) at all lags (eg, at lag 2, FEV1/FVC z-score = -0.50 [95% CI -0.80 to -0.20] and FEF25%--75% z-score = -0.40 [-0.60 to -0.04] per 20 grains/m3 pollen increase), and increased bronchodilator responsiveness (BDR) at lag 2 and lag 3 (eg, at lag 2, BDR = (31 [95% CI -0.005 to 62] mL). In children with current asthma, increasing grass pollen concentration was associated with lower FEF25%-75% and increased BDR, whereas children with current hay fever or eczema had increased BDR only. CONCLUSIONS A proactive approach needs to be enforced to manage susceptible children, especially those with food allergy, before high-grass pollen days.
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Affiliation(s)
- N Sabrina Idrose
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, Melbourne, Victoria, Australia; Centre for Food and Allergy Research, Murdoch Children's Research Institute, Parkville, Melbourne, Victoria, Australia
| | - Don Vicendese
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, Melbourne, Victoria, Australia; Department of Mathematics and Statistics, La Trobe University, Bundoora, Victoria, Australia
| | - Rachel L Peters
- Centre for Food and Allergy Research, Murdoch Children's Research Institute, Parkville, Melbourne, Victoria, Australia; Department of Pediatrics, The University of Melbourne, Parkville, Melbourne, Victoria, Australia
| | - Jennifer J Koplin
- Centre for Food and Allergy Research, Murdoch Children's Research Institute, Parkville, Melbourne, Victoria, Australia; Department of Pediatrics, The University of Melbourne, Parkville, Melbourne, Victoria, Australia
| | - Jo A Douglass
- Department of Clinical Immunology and Allergy, Royal Melbourne Hospital, Parkville, Melbourne, Victoria, Australia; Department of Medicine, University of Melbourne, Parkville, Melbourne, Victoria, Australia
| | - E Haydn Walters
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, Melbourne, Victoria, Australia; Department of Medicine, University of Tasmania, Hobart, Tasmania, Australia
| | - Jennifer L Perret
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, Melbourne, Victoria, Australia
| | - Adrian J Lowe
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, Melbourne, Victoria, Australia; Centre for Food and Allergy Research, Murdoch Children's Research Institute, Parkville, Melbourne, Victoria, Australia
| | - Mimi L K Tang
- Centre for Food and Allergy Research, Murdoch Children's Research Institute, Parkville, Melbourne, Victoria, Australia; Department of Pediatrics, The University of Melbourne, Parkville, Melbourne, Victoria, Australia; Department of Allergy and Immunology, Royal Children's Hospital, Melbourne, Victoria, Australia
| | - Ed J Newbigin
- School of BioSciences, The University of Melbourne, Parkville, Melbourne, Victoria, Australia
| | - Bircan Erbas
- School of Psychology and Public Health, La Trobe University, Bundoora, Victoria, Australia
| | - Caroline J Lodge
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, Melbourne, Victoria, Australia
| | - Shyamali C Dharmage
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, Melbourne, Victoria, Australia; Centre for Food and Allergy Research, Murdoch Children's Research Institute, Parkville, Melbourne, Victoria, Australia.
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9
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Affiliation(s)
- Robert J Boyle
- National Heart and Lung Institute, Wright Fleming Institute, Imperial College London, London, UK
| | - Mohamed H Shamji
- National Heart and Lung Institute, Wright Fleming Institute, Imperial College London, London, UK
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