1. School of Medicine, Graduate Institute of Clinical Medicine Taipei Medical University Taipei Taiwan
2. Division of Pediatric Hematology/Oncology, Hemophilia Center Taipei Medical University Hospital Taipei Taiwan
3. Division of Clinical Pathology, Department of Pathology Tri‐Service General Hospital Taipei Taiwan
4. Graduate Institute of Pathology National Defense Medical Center Taipei Taiwan
5. Hemophilia Care and Research Center Tri‐Service General Hospital Taipei Taiwan
6. Department of Pediatrics Tungs' Taichung MetroHarbor Hospital Taichung Taiwan
7. Department of Pediatrics National Defense Medical Center Taipei Taiwan
8. Division of Gastroenterology, Department of Internal Medicine Taipei Medical University Hospital Taipei Taiwan
9. Division of Hematology/Oncology Department of Internal Medicine, Tri‐Service General Hospital National Defense Medical Center Taipei Taiwan