Peking University - Department of Otorhinolaryngology, Head and Neck Surgery, Chinese PLA General Hospital - Department of Otorhinolaryngology, Head and Neck Surgery, Second Military Medical University - Department of Otorhinolaryngology, Head and Neck Surgery, Peking University - Third Hospital, Southern Medical University - Nanfang Hospital, Peking University - People’s Hospital, China-Japan Friendship Hospital, Peking University - Department of Otorhinolaryngology, Head and Neck Surgery, Peking University, Nanjing University, Wuhan University, Sichuan University, China Medical University, Nanchang University, Nankai University - Tianjin First Central Hospital, Xiamen University, Henan Provincial People's Hospital, Shanghai Sixth People's Hospital, Sun Yat-sen University (SYSU) - Third Affiliated Hospital, Hainan Provincial People's Hospital, Harbin Medical University, Peking University - Department of Otorhinolaryngology, Head and Neck Surgery, Fujian Provincial Hospital, Subei People's Hospital of Jiangsu Province, Zunyi Medical College, Xi'an Jiaotong University (XJTU), Central South University, Guangdong Provincial People's Hospital, Inner Mongolia Medical University, Capital Medical University, Anhui Provincial Hospital, Fujian Medical University, Chengdu First People's Hospital, Army Military Medical University, Nanjing Medical University - Wuxi People’s Hospital, Dalian Central Hospital, Bethune International Peace Hospital, Air Force Medical University, Jiangmen Central Hospital, Southwest Medical University, Xiamen University, Shanxi Medical University, Anhui Medical University, Zhejiang University, Harbin Medical University, Medical Center of the People’s Liberation Army Strategic Support Force, Chinese People’s Armed Police Force, General Hospital of Northern Theater Command, The First Hospital of Longyan City, Chinese Academy of Sciences (CAS) - Chongqing General Hospital, Hebei Medical University, Hebei Medical University, Hainan Medical College, People's Hospital of Xinjiang Autonomous Region, Changsha Central Hospital, Sun Yat-sen University (SYSU), Chinese PLA General Hospital, Zhengzhou Central Hospital, The First People's Hospital of Shangqiu City, Linyi People's Hospital, Hangzhou Hospital of Traditional Chinese Medicine, Chongqing Hospital of Traditional Chinese Medicine, Henan Provincial Hospital of Traditional Chinese Medicine, Heilongjiang Provincial Hospital, Tianjin Medical University, Qinghai University Affiliated Hospital, Chizhou People's Hospital, Wuhan Third Hospital, Gansu Provincial Hospital, People's Liberation Army (PLA), Chifeng College, The People's Hospital of Dazu District, Nankai University - Tianjin Union Medical Center, Qinghai Red Cross Hospital and Fenyang Hospital of Shanxi Province