1. Department of Otolaryngology Massachusetts Eye and Ear Infirmary Boston Massachusetts U.S.A.
2. Department of Otolaryngology – Head and Neck Surgery Northwestern University Feinberg School of Medicine Chicago Illinois U.S.A.
3. Department of Endocrine Surgery Third Chair of General Surgery, Jagiellonian University Medical College Krakow Poland
4. Department of Otolaryngology – Head and Neck Surgery Kaohsiung Medical University Kaohsiung Taiwan
5. Department of General and Endocrine Surgery Onze‐Lieve‐Vrouw (OLV) Ziekenhuis Aalst Aalst Belgium
6. Department of Surgery University Hospital Halle, Martin‐Luther‐University Haller‐Wittenberg Germany
7. Division for Endocrine and Minimally Invasive Surgery. Department of Human Pathology in Adulthood and Childhood “G. Barresi” University Hospital G. Martino, University of Messina Messina Italy
8. Department of General Visceral and Transplantation Surgery, University of Duisburg‐Essen Essen Germany
9. Department of Surgery Head and Neck Surgery Service of the Hospital das Clínicas, University of Sao Paulo Sao Paulo Brazil
10. Department of Thyroid Surgery Fujian Medical University Union Hospital Fujian China
11. Department of Surgery Massachusetts General Hospital, Harvard Medical School Boston Massachusetts U.S.A.