1. Department of Medicine, Mount Sinai School of Medicine of the City University of New York, New York, N.Y.; Department of Medicine, VA Hospital, Bronx, N.Y.; and Department of Pathology, College of Physicians & Surgeons, Columbia University, New York, N.Y.
2. Mount Sinai School of Medicine of the City University of New York, New York, N. Y.
3. Veterans Administration; Clinical Professor of Pathology, College of Physicians & Surgeons, Columbia University, New York, N.).; recipient of Health Research Council of the City of New York Career Scientist Award 1-683.