1. Department of Surgery, KUMC Thyroid Center, Korea University Hospital, Korea University College of Medicine, Seoul, Korea.
2. Department of Surgery, Seoul Metropolitan Government—Seoul National University Boramae Medical Center, Seoul, Korea.
3. Minimally Invasive and Endocrine Surgery Division, Department of Surgery, Police General Hospital, Bangkok, Thailand.
4. Department of Otolaryngology-Head and Neck Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland.
5. Division for Endocrine and Minimal Invasive Surgery, Department of Human Pathology in Adulthood and Childhood “G.Barresi,” University Hospital “G.Martino,” University of Messina, Messina, Italy.