1. Department of Medicine, Columbia University College of Physicians and Surgeons, and the Medical Services of the Francis Delafield, Presbyterian, and Bellevue (First Medical Division) Hospitals, New York, N. Y.
2. Columbia University College of Physicians and Surgeons; Associate Visiting Physician, Francis Delafield Hospital; Assistant Physician, Presbyterian Hospital; and Assistant Clinical Visiting Physician, Bellevue Hospital, New York, N. Y.
3. Department of Medicine, Columbia University College of Physicians and Surgeons, New York, N. Y.