Yi Men1, Jing Chen2, Yanlin Yang3, Yubin Cao4. 1. Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, No. 14, Section Three, Ren Min Nan Road, Chengdu 610041, China; State Key Laboratory of Oral Diseases, West China College of Stomatology, Sichuan University, No. 14, Section Three, Ren Min Nan Road, Chengdu 610041, China. 2. State Key Laboratory of Oral Diseases, West China College of Stomatology, Sichuan University, No. 14, Section Three, Ren Min Nan Road, Chengdu 610041, China; Operation Room, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; West China School of Nursing, Sichuan University, Chengdu 610041, China. 3. West China School of Medicine, West China Hospital, Sichuan University, Chengdu 610041, China. 4. Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, No. 14, Section Three, Ren Min Nan Road, Chengdu 610041, China; State Key Laboratory of Oral Diseases, West China College of Stomatology, Sichuan University, No. 14, Section Three, Ren Min Nan Road, Chengdu 610041, China. Electronic address: yubin.cao@qq.com.