1. Department of Otolaryngology‐Head and Neck Surgery Beijing Tongren Hospital, Capital Medical University Beijing China
2. Key Laboratory of Otorhinolaryngology Head and Neck Surgery, Ministry of Education Beijing Institute of Otorhinolaryngology Beijing China
3. Department of Otolaryngology, Division of Thyroid and Parathyroid Surgery Massachusetts Eye and Ear Infirmary Boston Massachusetts U.S.A.
4. Division of Surgical Oncology, Endocrine Surgery Service, Department of Surgery Massachusetts General Hospital, Harvard Medical School Boston Massachusetts U.S.A.