[Nie, Yue-Hua; Yin, Wen-Jun; Yu, Zi-Jian] Univ South China, Affiliated Hosp 1, Dept Tumor Radiotherapy, Hengyang, Peoples R China.
[Guan, Hua; Liu, Xiao-Dan; Zhou, Ping-Kun; Xie, Da-Fei] Beijing Inst Radiat Med, Dept Radiat Biol, Beijing Key Lab Radiobiol, Beijing, Peoples R China.
[Huang, Ruixue] Cent S Univ, Dept Occupat & Environm Hlth, Changsha 410078, Hunan, Peoples R China.
[Zhou, Ping-Kun] Guangzhou Med Univ, Inst Chem Carcinogenesis, State Key Lab Resp Dis, Guangzhou, Guangdong, Peoples R China.
[Zhou, Ping-Kun] Beijing Inst Radiat Med, 27 Taiping Rd, Beijing 100850, Peoples R China.