Affiliation: | 1.Department of Otolaryngology-Head and Neck Surgery, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 510630, China;2.Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 510080, China;3.Department of Otolaryngology-Head and Neck Surgery, Guangdong Second Provincial Central Hospital, Guangzhou, Guangdong 510310, China. |