1. Beijing Key Laboratory of Pediatric Hematology Oncology; National Key Discipline of Pediatrics (Capital Medical University); Key Laboratory of Major Diseases in Children, Ministry of Education; Hematology Oncology Center; Beijing Children's Hospital; Capital Medical University, National Center for Children's Health; Beijing China
2. Hematology and Oncology Laboratory; Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health; Beijing China
3. Department of Hematology-Oncology; Children's Hospital of Soochow University; Soochow China
4. Department of Hematology Oncology, Children's Hospital of Chongqing Medical University; Ministry of Education Key Laboratory of Child Development and Disorder; China International Science and Technology Cooperation base of Child development and Critical Disorders, Chongqing Key Laboratory of Pediatrics; Chongqing China
5. Department of Pediatrics; West China Second University Hospital, Sichuan University; Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education; Chengdu China
6. Department of Pediatrics; Institute of Hematology and Hospital of Blood Disease, Chinese Academy of Medical Science and Peking Union Medical College; Tianjin China
7. Department of Pediatrics; Union Hospital, Tongji Medical College, Huazhong University of Science and Technology; Wuhan China
8. Department of Hematology and Oncology; Capital Institute of Pediatrics; Beijing China
9. Department of Pediatrics; Peking University People's Hospital; Beijing China
10. Department of Hematology; Children's Hospital, Shanghai Medical College, Fudan University; Shanghai China
11. Department of Anatomical and Cellular Pathology; Prince of Wales Hospital, The Chinese University of Hong Kong; Hong Kong, China
12. Department of Pediatrics; Prince of Wales Hospital, The Chinese University of Hong Kong; The Hong Kong Pediatric Hematology and Oncology Study Group; Hong Kong, China