1. The Woolcock Institute of Medical Research and The University of Sydney, Sydney, Australia;
2. Monroe Carell Jr. Children’s Hospital at Vanderbilt, Vanderbilt University Medical Center, Nashville, Tennessee;
3. Department of Medicine, University of Cape Town, Cape Town, South Africa;
4. Leicester National Institute for Health Research Biomedical Research Centre, University of Leicester, Leicester, United Kingdom;
5. Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium;
6. Departments of Epidemiology and Respiratory Medicine, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, the Netherlands;
7. Pulmonary Department, Mainz University Hospital, Mainz, Germany;
8. Federal University of Bahia, Salvador, Bahia, Brazil;
9. Department of Pediatrics, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, the Netherlands;
10. Divisions of Medical Communication and Pulmonary Medicine, Department of Medicine, Brigham and Woman’s Hospital, Boston, Massachusetts;
11. Harvard Medical School, Boston, Massachusetts;
12. University of British Columbia, Vancouver, British Columbia, Canada;
13. Imperial College London, London, United Kingdom;
14. Kagoshima University, Kagoshima, Japan;
15. The Chinese University of Hong Kong, Hong Kong;
16. Breathe Chicago Center, University of Illinois Chicago, Chicago, Illinois;
17. Locum General Practitioner, London, United Kingdom;
18. China–Japan Friendship Hospital, Peking University, Beijing, China;
19. Department of Respiratory Medicine, Liverpool University Hospitals National Health Service Foundation Trust, United Kingdom;
20. Department of Medicine, University of Cambridge, Cambridge, United Kingdom;
21. Pediatric Respiratory Division, Hospital Moinhos de Vento, Porto Alegre, Rio Grande do Sul, Brazil;
22. Usher Institute, University of Edinburgh, Edinburgh, United Kingdom;
23. Department of Pulmonology, Celal Bayar University, Manisa, Turkey; and
24. Institut universitaire de cardiologie et de pneumologie de Québec and
25. Département de médecine, Université Laval, Québec, Québec, Canada