1. Department of Surgery, Head and Neck Service, Memorial Sloan Kettering Cancer Center, New York, New York.
2. University of Sydney Endocrine Surgical Unit, Sydney, Australia.
3. Department of Otolaryngology–Head and Neck Surgery, Mount Sinai Hospital, Toronto, Canada.
4. Department of Surgery, University of California, Davis Medical Center, Sacramento, California
5. Department of Surgery, University of California, San Francisco, San Francisco, California.
6. Endocrine Service, Instituto Nacional do Cancer, Rio de Janeiro, Brazil.
7. Endocrine Service, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
8. Department of Medicine, Endocrinology Service, Memorial Sloan Kettering Cancer Center, New York, New York.