[1] Univ Hong Kong, Shenzhen Hosp, Clin Oncol Ctr, Shenzhen 518009, Peoples R China
[2] Univ Hong Kong, Shenzhen Hosp, Shenzhen Key Lab Canc Metastasis & Personalized Th, Shenzhen 518009, Peoples R China
[3] Univ Hong Kong, Li Ka Shing Fac Med, Dept Clin Oncol, Hong Kong, Peoples R China
[4] Queen Elizabeth Hosp, Dept Clin Oncol, Hong Kong, Peoples R China
[5] Knox Cty Hlth Clin, Rockland, ME 04841 USA
[6] St Vincents Hosp, Div Radiat Oncol, GenesisCare Radiat Oncol, Melbourne, Vic 3065, Australia
[7] Univ Florida, Dept Radiat Oncol, Coll Med, Gainesville, FL 32610 USA
[8] Southern Illinois Univ, Dept Otolaryngol Head & Neck Surg, Sch Med, Springfield, IL 62794 USA
[9] Univ Leuven, KU Leuven, Univ Hosp Leuven, Dept Radiat Oncol, B-3000 Leuven, Belgium
[10] Emory Univ, Winship Canc Inst, Dept Hematol & Med Oncol, Sch Med, Atlanta, GA 30322 USA
[11] Prince Wales Canc Ctr, Dept Radiat Oncol, Sydney, NSW 2031, Australia
[12] Emory Univ, Winship Canc Inst, Dept Radiat Oncol, Sch Med, Atlanta, GA 30322 USA
[13] Inst Oncol, Dept Radiat Oncol, Ljubljana 1000, Slovenia