1. Department of Otolaryngology-Head and Neck Surgery, the 2nd Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, China
2. Department of Engineering Mechanics, Dalian University of Technology, Dalian, Liaoning Province, China
3. Department of Otorhinolaryngology, Xiamen Humanity Hospital, Xiamen, Fujian Province, China
4. Department of Otorhinolaryngology, the Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning Province, China