[1] Sun Yat Sen Univ, Ctr Canc, Pediat Oncol, Guangzhou, Peoples R China
[2] Sun Yat Sen Univ, Canc Ctr, Dept Pediat Oncol, Guangzhou, Peoples R China
[3] Capital Med Univ, Natl Ctr Childrens Hlth, Beijing Childrens Hosp, Med Oncol Dept, Beijing, Peoples R China
[4] Sun Yat Sen Univ, Ctr Canc, Pediat Oncol, Guangzhou, Peoples R China
[5] Sun Yat Sen Univ, Ctr Canc, Dept Pediat Oncol, Guangzhou, Peoples R China