1. Department of Geriatrics, Mount Sinai Medical Center, New York, New York and Columbia University College of Physicians and Surgeons/Harlem Hospital Center; Harlem Hospital, Department of Medicine, 506 Lenox Ave., 14th floor New York, NY 10037.
2. the Jewish Home and Hospital, New York, New York; the Mount Sinai School of Medicine, New York, New York
3. the Mount Sinai School of Medicine, New York, New York; the Department of Emergency Medicine, Maimonides Medical Center, Brooklyn, New York
4. the Jewish Home and Hospital, New York, New York