1. Alberta Respiratory Centre and Division of Pulmonary Medicine, Department of Medicine University of Alberta Edmonton Alberta Canada
2. Michael G. DeGroote School of Medicine McMaster University Hamilton Ontario Canada
3. Allergy and Asthma Research Centre Kolkata India
4. Supreme Institute of Management and Technology Mankundu India
5. District Project Management Unit (DPMU) Jalpaiguri India
6. ISGlobal Barcelona Spain
7. University of Pompeu Fabra Barcelona Spain
8. Center for Biomedical Research in Epidemiology and Public Health (CIBERESP) Barcelona Spain
9. INSERM Paris France
10. Desbrest Institute of Epidemiology and Public Health (IDESP) University of Montpellier Montpellier France
11. Apollo Multispeciality Hospital Kolkata India