1 Hemophilia Comprehensive Care Center, Hematology Department, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China.
2 Department of Pediatric, Beijing Shijitan Hospital, Capital Medical University, Beijing, China.
3 Department of Pharmacy, Beijing Children's Hospital, Capital Medical University, Beijing, China.
4 Hematology Department, Henan Province Children's Hospital, Zhengzhou, China.
6 Hematologic Disease Laboratory, Hematology Center, 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; Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China.