1. Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA; Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Quebec, Canada
2. Faculty of Medicine, McGill University, Montreal, Quebec, Canada
3. World Health Partners, New Delhi, India
4. Logistimo India Private Limited, Bangalore, India
5. Division of Clinical Epidemiology, Department of Medicine, McGill University, Montreal, Quebec, Canada
6. Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Quebec, Canada; Respiratory Epidemiology and Clinical Research Unit, Montreal Chest Institute, Montreal, Quebec, Canada