1. Department of Surgery; KUMC Thyroid Center, Korea University Anam Hospital, Korea University College of Medicine; Seoul Republic of Korea
2. Division of Head and Neck Endocrine Surgery; Department of Otolaryngology-Head and Neck Surgery; Johns Hopkins University School of Medicine; Baltimore Maryland
3. Division of Thyroid and Parathyroid Endocrine Surgery; Department of Laryngology and Otology; Massachusetts Eye and Ear Infirmary, Harvard Medical School; Boston Massachusetts
4. Department of General Surgery; Jagiellonian University, Medical College; Krakow Poland
5. Institute of Clinical Medicine, Faculty of Medicine, College of Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University; Kaohsiung Taiwan
6. Department of Otolaryngology-Head and Neck Surgery; Kaohsiung Medical University Hospital, Kaohsiung Medical University; Kaohsiung Taiwan
7. Jilin Provincial Key Laboratory of Surgical Translational Medicine, Japan Union Hospital of Jilin University, Division of Thyroid Surgery; Changchun City Jilin Province China
8. Department of Surgery; Kuma Hospital, Center for Excellence in Thyroid Care; Kobe Japan
9. Department of Anesthesiology; Korea University College of Medicine; Seoul Korea
10. First Division of Surgery; Research Center for Endocrine Surgery; Department of Surgical Sciences and Human Morphology; University of Insubria (Como-Varese); Varese Italy