[1]Air Force Med Univ, Xijing Hosp, Dept Radiat Oncol, Xian, Shaanxi, Peoples R China.
[2]Air Force Med Univ, Xijing Hosp, Dept Radiat Oncol, PLA, Xian, Shaanxi, Peoples R China.
[3]Ningxia Med Univ, Gen Hosp, Dept Radiat Oncol 1, Yinchuan 750004, Ningxia, Peoples R China.
[4]Baoji Municipal Cent Hosp, Dept Radiat Oncol, Baoji, Peoples R China.
[5]3201 Hosp, Hanzhong, Peoples R China.
[6]Guizhou Prov Peoples Hosp, Dept Oncol, Guiyang, Guizhou, Peoples R China.
[7]Yan An Univ, Affiliated Hosp, Yanan, Peoples R China.
[8]Jilin Univ, Hosp 2, Changchun, Jilin, Peoples R China.
[9]Inner Mongolia Med Univ, Affiliated Hosp, Dept Radiat Oncol, Hohhot, Peoples R China.
[10]Guizhou Med Univ, Affiliated Hosp, Guiyang, Guizhou, Peoples R China.
[11]First Hosp Yulin, Yulin, Peoples R China.
[12]Yunnan Prov Canc Hosp, Kunming, Yunnan, Peoples R China.
[13]Xi An Jiao Tong Univ, Affiliated Hosp 2, Xian, Shaanxi, Peoples R China.
[14]Xi An Jiao Tong Univ, Affiliated Hosp 1, Dept Radiat Oncol, Xian, Shaanxi, Peoples R China.
[15]Lanzhou Univ, Hosp 1, Lanzhou, Gansu, Peoples R China.
[16]Zhe Jiang Canc Hosp, Hangzhou, Zhejiang, Peoples R China.
[17]Inner Mongolia Canc Hosp, Dept Radiotherapy, Hohhot, Inner Mongolia, Peoples R China.
[18]Hanzhong Cent Hosp, Hanzhong, Peoples R China.
[19]Jilin Univ, China Japan Union Hosp, Dept Radiat Oncol, Changchun, Jilin, Peoples R China.