1. Department of Otolaryngology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou City, China
2. Department of Statistics and Epidemiology, Graduate School, Chinese PLA General Hospital, Beijing, China
3. Department of Health Care, The Second Medical Center, Chinese PLA General Hospital, Beijing, China
4. Senior Department of Otolaryngology-Head & Neck Surgery, the Sixth Medical Center of Chinese PLA General Hospital; National Clinical Research Center for Otolaryngologic Diseases; State Key Lab of Hearing Science, Ministry of Education, China; Beijing Key Lab of Hearing Impairment Prevention and Treatment, Beijing, China