1. Department of Radiation Oncology; Fujian Provincial Cancer Hospital, Provincial Clinical College of Fujian Medical University; Fujian China
2. Fujian Provincial Key Laboratory of Translational Cancer Medicine; Fujian China
3. Department of Clinical Oncology; Pamela Youde Nethersole Eastern Hospital; Hong Kong China
4. Department of Systems Engineering and Engineering Management; City University of Hong Kong; Hong Kong China
5. Department of Radiology; Fujian Provincial Cancer Hospital, Provincial Clinical College of Fujian Medical University; Fujian China
6. Department of Diagnostic Radiology; Pamela Youde Nethersole Eastern Hospital; Hong Kong China
7. Department of Radiation Oncology; Princess Margaret Cancer Centre/University of Toronto; Toronto Ontario Canada
8. Department of Biostatistics; Princess Margaret Cancer Centre; Toronto Ontario Canada
9. Department of Radiation Oncology; Stanford University; Stanford California
10. Department of Clinical Radiology; University of California San Francisco; San Francisco California
11. Department of Medicine (Oncology); Stanford Cancer Institute, Stanford University; Stanford California
12. Department of Head and Neck Surgery; The University of Texas MD Anderson Cancer Center; Houston Texas
13. Department of Otolaryngology; University of Nebraska Medical Center; Omaha Nebraska
14. Department of Head and Neck Surgery; Memorial Sloan Kettering Cancer Center; New York New York
15. Department of Clinical Oncology; University of Hong Kong/University of Hong Kong-Shenzhen Hospital; Hong Kong China