University of Murcia - Paediatric Allergy and Pulmonology Units, Taipei Medical University, University of Auckland - Paediatric Department, University of New South Wales (UNSW), EpiLab, Sudan, University of KwaZulu-Natal - Department of Paediatrics and Child Health, University of Auckland, University of Auckland - Paediatric Department, University of Auckland, London School of Hygiene & Tropical Medicine, University of London, Liverpool School of Tropical Medicine - Department of Clinical Sciences and University of Murcia

Liverpool School of Tropical Medicine - Department of Clinical Sciences, Liverpool School of Tropical Medicine - Department of International Public Health, University of Sheffield - British Thoracic Society Global Health Group, Liverpool School of Tropical Medicine - Department of Clinical Sciences, Nifty Fox Creative, Independent, London School of Hygiene & Tropical Medicine, University of Sheffield, UK, Medical Aid International, University of Auckland, Respiratory Society of Kenya (ReSok), Taipei Medical University, Asociación Latinoamericana del Tórax, Liverpool School of Tropical Medicine, EpiLab, Sudan, University of Exeter - Medical School, University College London, School of Life and Medical Sciences, Faculty of Medical Sciences, Division of Medicine, UCL Respiratory, IcFEM Dreamland Mission Hospital, AstraZeneca Pharmaceuticals, Independent, IcFEM Dreamland Mission Hospital, IcFEM Dreamland Mission Hospital, University of KwaZulu-Natal - Department of Paediatrics and Child Health, Kenya Medical Research Institute (KEMRI) - Centre for Respiratory Diseases Research, University of Malaya (UM), Makerere University - College of Health Sciences, GlaxoSmithKline, Independent, The Woolcock Institute of Medical Research and The University of Sydney, World Health Organization (WHO) - Noncommunicable Disease Management Unit, Independent, GlaxoSmithKline, International Primary Care Respiratory Group, Global Allergy & Airways Patient Platform, Celal Bayar University - Department of Pulmonology, International Union Against Tuberculosis and Lung Disease (The Union) and International Union Against Tuberculosis and Lung Disease (The Union)

University of Murcia - Paediatric Allergy and Pulmonology Units, University of KwaZulu-Natal - Department of Paediatrics and Child Health, Peking University - Peking University Third Hospital, University of Auckland - Paediatric Department, University of New South Wales (UNSW), EpiLab, Sudan, University of Auckland, University of Auckland - Paediatric Department, University of Auckland, London School of Hygiene & Tropical Medicine, University of London, University of Murcia, University of Murcia, University of KwaZulu-Natal and University of Murcia