1. Department of Otolaryngology-Head and Neck Surgery; Kaohsiung Medical University Hospital, Kaohsiung Medical University; Kaohsiung Taiwan
2. Division for Endocrine Surgery, Department of Human Pathology in Adulthood and Childhood “G. Barresi”; University Hospital G. Martino, University of Messina; Messina Italy
3. Department of Endocrine Surgery; Jagiellonian University, Third Chair of General Surgery; Krakow Poland
4. Department of General Surgery; University Hospital Halle; Halle/Saale Germany
5. Department of General, Visceral, and Vascular Surgery; Martin Luther University Halle-Wittenberg; Halle Germany
6. Department of Otolaryngology; University of Iowa Hospitals and Clinics; Iowa City Iowa U.S.A
7. Division of Endocrine Surgery, Department of Surgery; University of Chicago; Chicago Illinois U.S.A
8. Department of Breast and Endocrine Surgery; Haukeland University Hospital; Bergen Norway
9. Department of Otolaryngology, Division of Thyroid and Parathyroid Surgery; Massachusetts Eye and Ear, Harvard Medical School; Boston Massachusetts U.S.A
10. Department of Head and Neck Surgery; University of Sao Paulo Medical School; Sao Paulo Brazil
11. Department of Otolaryngology-Head and Neck Surgery; Gillies Hospital and Clinics; Epsom New Zealand
12. VA Endocrine Surgery, Department of Otolaryngology Emory University School of Medicine, Atlanta, GA, USA
13. Outcomes Group, Veterans Affairs Medical Center; Norwich Vermont U.S.A
14. Department of Otolaryngology; Massachusetts Eye and Ear Infirmary, Harvard Medical School; Boston Massachusetts U.S.A
15. Department of Surgery; University of California; San Francisco, San Francisco California U.S.A
16. Department of Otolaryngology-Head and Neck Surgery; Lewis Katz School of Medicine, Temple University; Philadelphia Pennsylvania U.S.A
17. P.G. Stadtische Kliniken Neuss Lukaskrankenhaus GmbH; Neuss, Nordrhein-Westfalen, DE
18. Department of Otolaryngology; Uniformed Services of the Health Sciences; San Antonio Texas U.S.A
19. San Antonio Head and Neck; San Antonio Texas U.S.A
20. Department of Otolaryngology Head and Neck Surgery; Gustave Roussy Institute; Villejuif France
21. Department of Surgery; Tulane University School of Medicine; New Orleans Louisiana U.S.A
22. Department of Otolaryngology; State University of New York Upstate Medical University; Syracuse New York U.S.A
23. Department of Otolaryngology-Head and Neck Surgery; Northwestern University Feinberg School of Medicine; Chicago Illinois U.S.A
24. Department of Surgery; Kuma Hospital; Kobe Japan
25. Department of Otolaryngology, Division of Head and Neck Surgery; Stanford University School of Medicine; Stanford California U.S.A
26. Department of Otolaryngology; Cleveland Clinic; Cleveland Ohio U.S.A
27. Breast, Endocrine and General Surgery Unit; Alfred Hospital; Melbourne Victoria Australia
28. Monash University School of Languages, Literatures, Cultures, and Linguistics; Clayton Victoria Australia
29. Department of Otolaryngology; Harvard Medical School; Boston Massachusetts U.S.A
30. Department of Otolaryngology-Head and Neck Surgery; Mount Sinai Beth Israel, Icahn School of Medicine; New York New York U.S.A
31. Department of Head and Neck Surgery; University of Arkansas for Medical Sciences; Little Rock Arkansas U.S.A
32. Department of Otolaryngology-Head and Neck Surgery; Imperial College Hospitals NHS Trust, St. Mary's Hospital; London United Kingdom
33. Onze-Lieve-Vrouw Hospital Aalst; Brussels Belgium
34. Department of General Surgery; University of Texas Rio Grande Valley School of Medicine; Edinburg Texas U.S.A
35. Clinics Hospital; University of Sao Paulo Medical School; Sao Paulo Brazil
36. Department of Otolaryngology; Mount Sinai Hospital; Toronto Ontario Canada
37. Department of Surgery-Head and Neck Service; Memorial Sloan-Kettering Cancer Center; New York New York U.S.A
38. 865 Indianola Drive; Merritt Island Florida U.S.A
39. Department of Head and Neck Surgery; MD Anderson Cancer Center; Houston Texas U.S.A
40. Division of Surgical Oncology, Endocrine Surgery Service, Department of Surgery; Massachusetts General Hospital, Harvard Medical School; Boston Massachusetts U.S.A.