1. Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
2. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), The VIPII Gastrointestinal Cancer Division of Medical Department, Peking University Cancer Hospital and Institute, Beijing, China.
3. Department of Thyroid and Neck Oncology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.
4. Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.
5. Department of Head and Neck Surgery, Liaoning Cancer Hospital and Institute, Shenyang, China.
6. Department of Head and Neck Surgery, Jiangsu Cancer Hospital, Nanjing, China.
7. Department of Head and Neck Surgery, Sun Yat-sen University Cancer Center, Guangzhou, China.
8. Department of Thyroid and Breast Surgery, Gansu Provincial Cancer Hospital, Lanzhou, China.
9. Department of Head and Neck Surgery, First Affiliated Hospital of Fujian Medical University, Fuzhou, China.