1 Department of Otolaryngology-Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China; Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China.
2 Department of Otolaryngology-Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China; Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China; Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China.
3 Department of Otolaryngology-Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China; Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China; Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China. Electronic address: drzhangwt@163.com.