1. Department of Physical Medicine and Rehabilitation Tri‐Service General Hospital, Neihu District Taipei Taiwan
2. Department of Physical Medicine and Rehabilitation, School of Medicine National Defense Medical Center Taipei Taiwan
3. Haemophilia Care and Research Center, Tri‐Service General Hospital National Defense Medical Center Taipei Taiwan
4. Department of Paediatrics Tung’s Taichung Metrohabor Hospital Taichung Taiwan
5. Department of Orthopaedics, Tri‐Service General Hospital National Defense Medical Center Taipei Taiwan
6. Division of Haematology/Oncology, Tri‐Service General Hospital National Defense Medical Center Taipei Taiwan