About the Authors

Hao Qin, Jie Luo, Yuan-Ping Zhu, Wei-Qiang Yang, Wen-Bin Lei
Department of Otorhinolaryngology, The First Affiliated Hospital of Sun Yat–sen University, Otorhinolaryngology Institute, Sun Yat–sen University, Guangzhou, China

Hai-Li Xie
Department of Biostatistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, China

Corresponding Author

leiwb2003@yahoo.com.cn

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WBL HQ JL. Performed the experiments: HQ JL HLX WQY YPZ. Analyzed the data: HQ JL HLX. Contributed reagents/materials/analysis tools: WBL. Wrote the paper: HQ WBL YPZ JL HLX WQY.