[1] Nanjing Med Univ, Affiliated Huaian Peoples Hosp 1, Dept Radiotherapy, Huaian, Peoples R China
[2] Xuzhou Med Univ, Affiliated Huaian Hosp, Dept Pediat, Xuzhou, Jiangsu, Peoples R China
[3] Nanjing Med Univ, Affiliated Huaian Peoples Hosp 1, Dept Pediat, Huaian 223300, Peoples R China