1. Department of Breast and Thyroid Surgery The Second Affiliated Hospital of Chongqing Medical University Chongqing China
2. Department of Geriatrics The Second Affiliated Hospital of Chongqing Medical University Chongqing China
3. Department of Otolaryngology Head and Neck Surgery, Chongqing Renji Hospital University of Chinese Academy of Sciences (Chongqing Fifth People's Hospital) Chongqing China