1 Otorhinolaryngology Hospital, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China.
2 Department of Otorhinolaryngology, the Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China.
3 Otorhinolaryngology Hospital, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China Department of Otorhinolaryngology, Xiamen Humanity Hospital, Xiamen 361015, China.