1. School of Medicine, College of Medicine, Taipei Medical University, Taipei City 110, Taiwan
2. Department of Medical Imaging, Taipei Medical University Hospital, Taipei City 110, Taiwan
3. Division of Pediatric Gastroenterology, Department of Pediatrics, Cheng Hsin General Hospital, Taipei City 112, Taiwan
4. Department of Hematology and Oncology, Taipei Medical University Hospital, Taipei City 110301, Taiwan
5. Hemophilia Center, Taipei Medical University Hospital, Taipei City 110301, Taiwan
6. Department of Pediatrics, School of Medicine, College of Medicine, Taipei Medical University, Taipei City 110, Taiwan
7. Division of Pediatric Hematology and Oncology, Department of Pediatrics, Taipei Medical University Hospital, Taipei City 110301, Taiwan