[1] Univ Elect Sci & Technol China, Radiat Oncol Key Lab Sichuan Prov,Affiliated Canc, Dept Radiat Oncol,Sichuan Canc Hosp & Inst, Sichuan Clin Res Ctr Canc,Sichuan Canc Ctr, Chengdu, Peoples R China
[2] Shandong Canc Hosp & Inst, Dept Radiat Oncol, Jinan, Peoples R China
[3] Henan Univ Sci & Technol, Anyang Canc Hosp, Dept Radiotherapy 6, Affiliated Hosp 4, Anyang, Peoples R China
[4] Tianjin Med Univ Canc Inst & Hosp, Key Lab Canc Prevent & Therapy, Natl Clin Res Ctr Canc, Tianjins Clin Res Ctr Canc,Dept Radiat Oncol, Tianjin, Peoples R China
[5] Hebei Med Univ, Dept Radiotherapy, Hosp 4, Shijiazhuang, Hebei, Peoples R China
[6] Shandong First Med Univ, Tumor Res & Therapy Ctr, Shandong Prov Hosp, Jinan, Peoples R China
[7] Shandong Univ, Dept Radiat Oncol, Qilu Hosp, Jinan, Peoples R China
[8] Jining Med Univ, Dept Radiat Oncol, Affiliated Hosp, Jining, Peoples R China
[9] Binzhou Med Univ Hosp, Dept Radiat Oncol, Binzhou, Peoples R China
[10] Yantai Yuhuangding Hosp, Dept Radiat Oncol, Yantai, Peoples R China
[11] Jining Peoples Hosp 1, Dept Radiat Oncol, Jining, Peoples R China
[12] Shandong First Med Univ, Dept Radiat Oncol, Cent Hosp, Jinan, Peoples R China
[13] Air Force Med Univ, Xijing Hosp, Dept Radiat Oncol, Xian, Peoples R China
[14] Weifang Peoples Hosp, Dept Radiat Oncol, Weifang, Peoples R China
[15] Cent South Univ, Hunan Canc Hosp, Xiangya Med Sch, Key Lab Translat Radiat Onco,Affiliate Hosp, Changsha, Peoples R China
[16] Univ Texas MD Anderson Canc Ctr, Dept Thorac Radiat Oncol, Houston, TX 77030 USA