1 Institute of Radiation Medicine, Chinese Academy of Medical Science and Peking Union Medical College, Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Tianjin, 300192, China.
2 Tianjin Hospital of Itcwm Nankai Hospital, Department of Pediatrics, Tianjin, 300100, China.
3 Institute of Radiation Medicine, Chinese Academy of Medical Science and Peking Union Medical College, Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Tianjin, 300192, China. donghui@irm-cams.ac.cn.
4 Institute of Radiation Medicine, Chinese Academy of Medical Science and Peking Union Medical College, Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Tianjin, 300192, China. lideguan@irm-cams.ac.cn.