1. Department of Otolaryngology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
2. Institute of Hearing and Speech-Language Science, Sun Yat-sen University, Guangzhou, China
3. Department of Hearing and Speech Science, Xinhua College, Sun Yat-sen University, Guangzhou, China
4. Department of Otolaryngology, Guangzhou Women and Children’s Medical Center, Guangzhou, China
5. Department of Otolaryngology, Maoming People’s Hospital, Maoming, China
6. The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China