1. Beijing Key Laboratory of Pediatric Hematology Oncology; National Key Discipline of Pediatrics; Ministry of Education; Beijing Children's Hospital; National Center for Children's Health; Capital Medical University; Beijing China
2. Key Laboratory of Major Diseases in Children; Ministry of Education; Beijing Children's Hospital; National Center for Children's Health; Capital Medical University; Beijing China
3. Hematology Oncology Center; Beijing Children's Hospital; National Center for Children's Health; Capital Medical University; Beijing China
4. Emergency Department; Beijing Children's Hospital; National Center for Children's Health; Capital Medical University; Beijing China