1. From the Department of Internal Medicine, New York Medical College/Landmark Medical Center, Woonsocket, RI
2. Department of Medicine, Smt. NHLMMC, Ahmedabad, India
3. Department of Public Health, New York Medical College, Valhalla, NY
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 and New York Medical College, Valhalla, NY.