[1] Chinese Acad Med Sci, Canc Hosp, Natl Canc Ctr, Beijing, Peoples R China
[2] Peking Union Med Coll, Beijing, Peoples R China
[3] Geneplus Beijing Inst, Beijing, Changping, Peoples R China
[4] Hu Nan Tumor Hosp, Changsha, Peoples R China
[5] CAMS, Canc Hosp, Natl Canc Ctr, Dept Med Oncol, Beijing, Peoples R China
[6] PUMC, Beijing, Peoples R China
[7] Shanghai Jiao Tong Univ, Ruijin Hosp, Sch Med, Radioat Oncol Dept, Shanghai, Peoples R China
[8] Peking Union Med Hosp, Beijing, Peoples R China
[9] Weill Cornell Sch Med, Houston Methodist Res Inst, Houston, TX USA