1. Department of Otolaryngology and Head and Neck Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
2. Department of Otolaryngology Head and Neck Surgery, The First Affiliated Hospital of Chengdu Medical College, Chengdu 610500, Sichuan, China
3. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Cell Biology, Peking University Cancer Hospital and Institute, Beijing 100142, China