1. Hemophilia Comprehensive Care Center Hematology Department Beijing Children’s HospitalCapital Medical UniversityNational Center for Children’s Health Beijing China
2. Hemophilia Diagnosis and Treatment Center Department of Hematology and Oncology Chengdu Women’s and Children’s Central HospitalSchool of MedicineUniversity of Electronic Science and Technology of China Chengdu China
3. Hemophilia Treatment Center Department of Pediatrics New Century Women’s and Children’s Hospital Chengdu China
4. Hemophilia Comprehensive Care Center, Radiology Center Beijing Children’s HospitalCapital Medical UniversityNational Center for Children’s Health Beijing China
5. Hemophilia and Diagnosis Treatment Center Department of Ultrasound Chengdu Women’s and Children’s Central HospitalSchool of MedicineUniversity of Electronic Science and Technology of China Chengdu China
6. Hemophilia Comprehensive Care Center, Rehabilitation Department Beijing Children’s HospitalCapital Medical UniversityNational Center for Children’s Health Beijing China
7. Hemophilia Diagnosis and Treatment Center Department of Radiology Chengdu Women’s and Children’s Central HospitalSchool of MedicineUniversity of Electronic Science and Technology of China Chengdu China
8. Child Health Evaluative Sciences, Research InstituteThe Hospital for Sick Children Toronto ON Canada
9. Department of Diagnostic Imaging Medical Imaging Department The Hospital for Sick ChildrenUniversity of Toronto Toronto Canada
10. The Hospital for Sick Children Research InstituteUniversity of Toronto Toronto ON Canada
11. Division of Pediatric Hematology/Oncology Presbyterian Health Services Hospital Albuquerque NM USA
12. Division of Hematology/Oncology The Hospital for Sick Children and Department of Pediatrics University of Toronto Toronto ON Canada
13. Department of Pediatrics Laboratory Medicine and Pathology Division of Hematology and Oncology University of OttawaChildren Hospital of Eastern Ontario Ottawa ON Canada