1. Department of Oto‐Rhino‐LaryngologyWest China Hospital, West China Medical School, Sichuan University Chengdu Sichuan China
2. Medical Oncology, Princess Margaret Cancer CentreUniversity of Toronto Toronto ON Canada
3. Department of BiostatisticsPrincess Margaret Cancer Centre Toronto ON Canada
4. Department of Economic Statistics, School of Statistics and ManagementShanghai University of Finance and Economics Shanghai China
5. Library and Information ServicesUniversity Health Network Toronto ON Canada
6. Department of Radiation OncologyPeter MacCallum Cancer Centre Melbourne VIC Australia
7. Department of Otolaryngology‐ Head and Neck SurgeryPrincess Margaret Cancer Centre – University Health Network, University of Toronto Toronto ON Canada
8. Department of Radiation OncologyUniversity of Toronto, and Princess Margaret Cancer Centre Toronto ON Canada
9. Dalla Lana School of Public HealthUniversity of Toronto Toronto ON Canada