1. Department of Cardiology, Kovai Medical Center and Hospital, Coimbatore, Tamil Nadu, India
2. Department of Cardiology, Madras Medical Mission, Chennai, Tamil Nadu, India
3. Department of Cardiology, Christian Medical College and Hospital, Vellore, Tamil Nadu, India
4. Department of Cardiology, Stanley Medical College and Hospital, Chennai, Tamil Nadu, India
5. Department of Clinical Epidemiology, Kovai Medical Center and Hospital, Coimbatore, Tamil Nadu, India
6. Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas
7. Division of Cardiology, Icahn School of Medicine, Mount Sinai Hospital, New York, New York
8. Department of Internal Medicine and Michigan Center for Health Analytics and Medical Prediction, University of Michigan, Ann Arbor