1. Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong, P.R. China
2. Department of Otolaryngology Head and Neck Surgery, The First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China
3. Otorhinolaryngology Hospital, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China