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