1. Department of Endocrine Neoplasia and Hormonal Disorders, University of Texas MD Anderson Cancer Center, Houston, Texas.
2. Division of Endocrinology, Baylor College of Medicine, Houston, Texas.
3. Department of Surgical Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas.
4. Departments of Surgery and Medicine, Duke Cancer Institute, and Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina.
5. Department of Clinical Cancer Genetics, University of Texas MD Anderson Cancer Center, Houston, Texas.