1. Research Department of Primary Care and Population Health, University College, London, UK
2. Kaiser Permanente Center for Health Research, Portland, OR, USA
3. Division of Pulmonology, Department of Medicine, University of Cape Town, Cape Town, South Africa
4. Woolcock Institute of Medical Research and South Western Sydney Clinical School, UNSW, Sydney, Australia
5. iCapture Center for Cardiovascular and Pulmonary Research, University of British Columbia, Vancouver, BC, Canada
6. II Department of Internal Medicine, Jagiellonian University Medical College, Cracow, Poland
7. Vadu HDSS, KEM Hospital Research Centre, Pune, India
8. Department of Medical Sciences: Respiratory, Allergy and Sleep Research, Uppsala University, Uppsala, Sweden
9. Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, UK
10. Department of Pulmonary Medicine, JSS Medical College, Mysore, India
11. Oregon Health and Sciences University, Portland, OR, USA
12. National Heart and Lung Institute, Imperial College, London, UK