1. Department of Otorhinolaryngology, Head and Neck Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
2. Department of Otorhinolaryngology, Head and Neck Surgery, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
3. Department of Otorhinolaryngology, Head and Neck Surgery, Affiliated Hospital of Zunyi Medical College, Zunyi, China