1. Division of Thyroid and Parathyroid Endocrine Surgery, Department of Otolaryngology – Head and Neck Surgery Massachusetts Eye and Ear Infirmary, Harvard Medical School Boston Massachusetts USA
2. Division of Otolaryngology – Head and Neck Surgery, Department of Surgery NorthShore University Health System Evanston Illinois USA
3. Pritzker School of Medicine The University of Chicago Chicago Illinois USA
4. Department of Thyroid Surgery Fujian Medical University Union Hospital Fuzhou China
5. Department of Surgery Massachusetts General Hospital, Harvard Medical School Boston Massachusetts USA