1. Department of Surgery/Endocrinology, Memorial Sloan Kettering Cancer Center, New York, New York.
2. Department of Otolaryngology, Mount Sinai Hospital, Toronto, Canada.
3. Department of Surgery, University of California, Davis Medical Center, Sacramento, California.
4. Department of Endocrine Surgery, Endocrine Surgical Unit, University of Sydney, Sydney, Australia.
5. Department of Endocrine Surgery, MD Anderson, Houston, Texas.
6. Department of Endocrinology, Endocrine Service, Instituto Nacional do Cancer, Rio de Janeiro, Brazil.
7. Department of Endocrinology, Endocrinology Service, Faculdade de Medicina-Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
8. Department of Head and Neck Surgery, Barretos Cancer Hospital, Barretos, Brazil.
9. Department of Surgery, Head and Neck Surgical Oncology and Nuclear Medicine, Cancer Care Manitoba and University of Manitoba, Winnipeg, Canada.
10. Department of Endocrine Surgery, University of California, San Francisco, San Francisco, California.
11. Department of Head and Neck Surgery, ACCamargo Cancer Center, São Paulo, Brazil.