1. Department of Radiation Oncology, Endocrine Service, Memorial Sloan Kettering Cancer Center, New York, New York.
2. Department of Surgical Oncology, University of Groningen, University Medical Center Groningen, The Netherlands.
3. Department of Surgery, and Endocrine Service, Memorial Sloan Kettering Cancer Center, New York, New York.
4. Department of Medicine, Endocrine Service, Memorial Sloan Kettering Cancer Center, New York, New York.
5. Department of Medicine, Head and Neck Division, Endocrine Service, Memorial Sloan Kettering Cancer Center, New York, New York.