1. Department of Medical Oncology, Pediatric Oncology Center, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing, China
2. Department of Pediatrics, Beijing Tongren Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
3. Department of Pediatrics, Peking University First Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
4. Department of Hematology, Capital Institute of Pediatrics, Capital Medical University, National Center for Children’s Health, Beijing, China
5. Department of Otorhinolaryngology Head and Neck Surgery, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
6. Department of Surgical Oncology, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China