1. Department of Otolaryngology—Head and Neck Surgery, Temerty Faculty of Medicine University of Toronto Toronto Canada
2. Department of Otolaryngology—Head and Neck Surgery Johns Hopkins University Baltimore Maryland USA
3. Department of Surgery—Division of Surgical Oncology and Endocrine Surgery Vanderbilt University Nashville Tennessee USA
4. Department of Surgery—Division of Endocrine and Robotics Cleveland Clinic Ohio USA
5. Department of Otolaryngology—Head and Neck Surgery The Henry Ford Cancer Institute West Michigan USA
6. Department of Surgery Memorial Sloan Kettering Cancer Center New York USA
7. A.R.M. Center of Otolaryngology—Head and Neck Surgery, Assuta Medical Center Affiliated with BenGurion University of the Negev Tel Aviv Israel
8. Department of Surgery—Division of Endocrine Surgery The University of Chicago Chicago Illinois USA
9. Department of Otolaryngology—Head and Neck Surgery NHS Lothian Edinburgh UK
10. Sarasota Memorial Health Care System Multidisciplinary Thyroid and Parathyroid Center Florida USA