1. Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
2. Hubei Disabled Persons’ Federation Rehabilitation Centre, Wuhan, China
3. Yimeng Recovery Welfare Home of Wuchang District, Wuhan, China
4. Institute of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China