1. Division of Thyroid and Parathyroid Endocrine Surgery, Department of Otolaryngology, Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts.
2. Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts.
3. Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts.
4. Institute for Technology Assessment, Massachusetts General Hospital, Boston, Massachusetts.
5. VA Outcomes Group, White River Junction Department of Veterans Affairs Medical Center, White River Junction, Vermont.
6. Department of Medicine, Thyroid Unit, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.
7. Endocrine Unit, Massachusetts General Hospital, Boston, Massachusetts.
8. Division of Surgical Oncology, Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts.