1. Neuroendocrine Unit (W.R., F.F., D.L.K.), New York, New York 10016;
2. Departments of Medicine (W.R., F.F., D.L.K.), New York, New York 10016;
3. Division of Endocrinology (D.R.C.), University of North Carolina, Chapel Hill, North Carolina 27599;
4. Physiology (M.E.M.), New York, New York 10016;
5. Urology (P.D.W.), New York, New York 10016;
6. Biochemistry (P.D.W.), New York University School of Medicine, New York, New York 10016;
7. Novartis Institutes for Biomedical Research (A.P.S., H.A.S.), Department of Oncology, CH-4057 Basel, Switzerland