1. Department of Otolaryngology Head and Neck Surgery, West China Hospital, Sichuan University, Chengdu, China
2. Department of Epidemiology and Health Statistics, West China School of Public Health, Sichuan University, Chengdu, China
3. Department of Radiation Oncology, Princess Margaret Cancer Centre and University of Toronto, Toronto, Ontario, Canada
4. Department of Radiology, West China Hospital, Sichuan University, Chengdu, China
5. Princess Margaret Cancer Centre and Dalla Lana School of Public Health, Department of Biostatistics, Toronto, Ontario, Canada
6. West China Hospital/West China School of Medicine, Sichuan University, West China Biomedical Big Data Center, Chengdu, China
7. Sichuan University, Medical Big Data Center, Chengdu, China