1. Department of Otolaryngology–Head and Neck Surgery West China Hospital, West China Medical School, Sichuan University Chengdu China
2. West China Biomedical Big Data Center West China Hospital, West China Medical School, Sichuan University Chengdu China
3. National Clinical Research Center for Geriatrics West China Hospital, West China Medical School, Sichuan University Chengdu China
4. Department of Biostatistics, Princess Margaret Cancer Centre–University Health Network University of Toronto Toronto Ontario Canada
5. Faculty of Medicine University of Toronto Toronto Ontario Canada
6. Department of Radiation Oncology Princess Margaret Cancer Centre University of Toronto Toronto Ontario Canada
7. Medical Oncology and Hematology Princess Margaret Cancer Centre University of Toronto Toronto Ontario Canada
8. Department of Medicine University of Toronto Toronto Ontario Canada
9. Laboratory Medicine and Pathology Princess Margaret Cancer Centre University of Toronto Toronto Ontario Canada
10. Department of Otolaryngology–Head and Neck Surgery, Princess Margaret Cancer Centre–University Health Network University of Toronto Toronto Ontario Canada
11. Department of Biostatistics Dalla Lana School of Public Health Toronto Ontario Canada
12. Institute of Health Policy Management and Evaluation, Princess Margaret Cancer Centre–University Health Network University of Toronto Toronto Ontario Canada
13. Division of Medical Oncology and Hematology, Department of Medicine, Princess Margaret Cancer Centre–University Health Network University of Toronto Toronto Ontario Canada