1. Department of Otorhinolaryngology Head and Neck, Tianjin First Central Hospital, Tianjin, China;
2. Department of Head and Neck Surgery, University of Texas MD Anderson Cancer Center, Houston, TX, USA;
3. Department of Otorhinolaryngology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China;
4. Department of Ophthalmology, Yuhuangding Hospital of Qingdao University, Yantai, China;
5. Department of Radiation Oncology, Nanjing Medical University Affiliated Cancer Hospital, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing, China;
6. Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China