1. Department of Otolaryngology, Gongli Hospital, Second Military Medical University, Pudong New Area, Shanghai, 200135, China
2. Department of Cardiology, Shanghai Chest Hospital, Shanghai Jiaotong University, Shanghai, 200030, China
3. Department of Gerontology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200092, China
4. Department of Otolaryngology, Renji Hospital, Shanghai Jiaotong University School of Medicine, Pudong New Area, Shanghai, 200127, China
5. Department of Otolaryngology-Head and Neck Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, 200003, China
6. Department of Otolaryngology-Head and Neck Surgery, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China