[Yan, Wenbin; Liu, Jiheng; Sui, Qian; Chen, Luqiao] Cent South Univ, Hosp Changsha 1, Affiliated Changsha Hosp, Dept Hematol Oncol,Xiangya Sch Med, Changsha 410005, Peoples R China.
[He, Zhipeng] First Peoples Hosp Chenzhou, Dept Radiat Oncol, Chenzhou 423000, Peoples R China.
[Zhou, Qionghui; Ni, Qianxi] Cent South Univ, Hunan Canc Hosp, Affiliated Canc Hosp, Dept Radiat Oncol,Xiangya Sch Med, Changsha 410013, Peoples R China.
[Long, Xizi] Univ South China, Sch Publ Hlth, Hengyang Med Sch, Hunan Prov Key Lab Typ Environm Pollut & Hlth Haza, Hengyang 421001, Peoples R China.