1. Associate Psychiatrist, Massachusetts General Hospital, Boston, Mass. 02114.
2. Research Associate Professor of Pharmacology, University of Pittsburgh School of Pharmacy, Pittsburgh, Pa. 15213. Supported by Public Health Service Research Scientist Development Award No. K2-MH-5921 from the National Institute of Mental Health.
3. Associate Psychologist, Massachusetts General Hospital, and Assistant Clinical Professor of Psychology, Harvard Medical School, Boston, Mass.