1. Department of Otolaryngology Head and Neck Surgery Xiangya Hospital, Central South University Changsha People's Republic of China
2. Otolaryngology Major Disease Research, Key Laboratory of Hunan Province Xiangya Hospital, Central South University Changsha People's Republic of China
3. Clinical Research Center for Pharyngolaryngeal Diseases and Voice Disorders in Hunan Province Xiangya Hospital, Central South University Changsha People's Republic of China
4. National Clinical Research Center for Geriatric Disorders (Xiangya Hospital) Xiangya Hospital, Central South University Changsha People's Republic of China