1. Department of Otolaryngology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
2. Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
3. Institute of Hearing and Speech-Language Science, Sun Yat-Sen University, Guangzhou, China.
4. Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, South Carolina, USA.
5. Shenshan Medical Center, Memorial Hospital of Sun Yat-Sen University, Guangzhou, China.