1. Endocrinology Service, Department of Medicine (M.M.S., J.M.D., R.M.T., J.A.F.), New York, New York 10065
2. Human Oncology and Pathogenesis Program (J.M.D., J.A.F.), New York, New York 10065
3. Molecular Imaging and Therapy Service, Department of Radiology (R.K.G., S.M.L.), New York, New York 10065
4. Department of Pathology (R.A.G.), Memorial Sloan-Kettering Cancer Center and Weill-Cornell College of Medicine, New York, New York 10065