[1] Southern Med Univ, Nanfang Hosp, Dept Pediat, Guangzhou, Guangdong, Peoples R China
[2] Taixin Hosp, Nanfang Chunfu Childrens Inst Hematol & Oncol, Dongguan, Peoples R China
[3] Shenzhen Childrens Hosp, Dept Hematol & Oncol, Shenzhen, Guangdong, Peoples R China
[4] KK Womens & Childrens Hosp, Duke NUS, Singapore, Singapore