Affiliation: | 1. Endocrinology and Metabolism Institute, Cleveland Clinic 9500 Euclid Avenue /M62, Cleveland, OH 44195, Phone: 216-789 6071, Fax: 216-445-1656;1. From the Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland;2. Department of Endocrinology and Isotope Therapy, Military Institute of Medicine, Warsaw, Poland;3. Department of Neurosurgery, Military Institute of Medicine, Warsaw, Poland;4. Department of Radiology, Puszczykowo Hospital, Puszczykowo, Poland;5. Department of Nuclear Medicine, Military Institute of Medicine, Warsaw, Poland;6. Department of Medical Radiology, Military Institute of Medicine, Warsaw, Poland.;1. From the Section of Endocrinology, VA Nebraska-Western Iowa Healthcare System (NWIHCS), Omaha, Nebraska;2. University of Nebraska Medical Center (UNMC), Omaha, Nebraska;3. Creighton University Medical Center, Omaha, Nebraska.;4. Creighton Division of Clinical Research and Evaluative Sciences, Omaha, Nebraska.;1. From the Division of Metabolism, Endocrinology, and Nutrition, Department of Internal Medicine, University of Washington School of Medicine, Seattle, Washington.;1. From the Department of Endocrinology, Tan Tock Seng Hospital, Singapore;2. Q and M Medical Group, Singapore;3. Parkway Laboratory Services, Singapore. |