1. From the Department of Medicine, Smt. NHL Municipal Medical College, Ahmedabad, India
2. Department of Public Health, New York Medical College, Valhalla, NY
3. Department of Internal Medicine, New York Medical College/Landmark Medical Center, Woonsocket, RI
4. Faculty of Medicine, Ain Shams University, Cairo, Egypt
5. Department of Medicine, New York Medical College, Valhalla, NY
6. Departments of Cardiology and Medicine, Westchester Medical Center, New York Medical College, Valhalla, NY.