1. Division of Head and Neck Endocrine Surgery, Department of Otolaryngology—Head and Neck Surgery, Johns Hopkins, Baltimore, Maryland.
2. Department of Surgery, Minimally Invasive Endocrine and Surgery Division, Police General Hospital, Bangkok, Thailand.
3. Department of Human Pathology in Adulthood and Childhood “G. Barresi,” University of Messina, Messina, Italy.
4. Department of Surgery, Icahn School of Medicine at Mount Sinai, New York, New York.
5. Department of Surgery, Korea University College of Medicine, Seoul, Korea.
6. Massachusetts Eye and Ear Infirmary, Department of Otolaryngology, Harvard Medical School, Boston, Massachusetts.