Affiliation: | 1. Department of Hematology/Oncology, Children's Hospital of Zhejiang University School of Medicine, Hangzhou, P.R. China;2. Department of Hematology/Oncology, Children's Hospital of Fudan University, Shanghai, P.R. China;3. Department of Pediatrics, Qilu Hospital of Shandong University, Ji'nan, P.R. China;4. Department of Hematology/Oncology, Children's Hospital of Soochow University, Soochow, P.R. China;5. Department of Pediatrics, Wuhan Union Hospital, Wuhan, P.R. China;6. Department of Pediatrics, Second Affiliated Hospital of Sun Yat‐Sen University, Guangzhou, P.R. China;7. Department of Hematology, Children's Hospital of Shanxi, Taiyuan, P.R. China;8. Department of Hematology/Oncology, Shanghai Children's Medical Center, Shanghai, P.R. China;9. Department of Pediatrics, Children's Hospital of Zhengzhou, Zhengzhou, P.R. China;10. Department of Pediatrics, the Affiliated Hospital of Qingdao University, Qingdao, P.R. China;11. Department of Pediatrics, Peking University First Hospital, Beijing, P.R. China;12. Department of Pediatrics, Second Affiliated Hospital of Anhui Medical University, Hefei, P.R. China |