1. Department of Otolaryngology-Head and Neck Surgery, Xiangya Hospital of Central South University, Changsha, Hunan, 410008, China
2. Hunan Province Key Laboratory of Otolaryngology Critical Diseases, Changsha, Hunan, 410008, China
3. National Clinical Research Center for Geriatric Disorders, Changsha, Hunan, 410008, China
4. Department of Rehabilitation, Brain Hospital of Hunan Province, Hunan University of Chinese Medicine, Changsha, Hunan, China