1. Department of Nuclear Medicine and Endocrine Oncology (S.L., C.C., C.B., M.S.), Institut Gustave Roussy, University Paris Sud-XI, 94805 Villejuif, France
2. Department of Medicine (P.R.S., M.E.E., P.W.L.), Division of Endocrinology and Metabolism, Johns Hopkins University School of Medicine, Baltimore, Maryland 21201
3. Department of Endocrine Neoplasia and Hormonal Disorders (N.L.B., S.I.S.), Unit 435, Department of Endocrine Neoplasia and Hormonal Disorders, The M. D. Anderson Cancer Center, Houston, Texas 77030
4. Department of Statistics (A.A.), Institut Gustave Roussy, 94800 Villejuif, France
5. Russell H. Morgan Department of Radiology and Radiological Science (H.A.J., R.L.W.), Division of Nuclear Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287