1. Hematology Department; Nanfang Hospital; Southern Medical University; Guangzhou China
2. Department of Rehabilitation Services; The Hospital for Sick Children and University of Toronto; Toronto ON Canada
3. Division of Rheumatology; The Hospital for Sick Children and University of Toronto; Toronto ON Canada
4. Centre Hospitalier Universitaire Sainte-Justine, and Université de Montréal; Montreal QC Canada
5. Department of Physical Medicine and Rehabilitation; Chinese Academy of Medical Science & Peking Union Medical College; Beijing China
6. Pediatric Thrombosis and Hemostasis Program; The Hospital for Sick Children and University of Toronto; Toronto ON Canada
7. Department of Pediatrics, Pathology and Laboratory Medicine; Children's Hospital of Eastern Ontario and University of Ottawa; Ottawa ON Canada
8. Southern Alberta Rare Blood and Bleeding Disorders Comprehensive Care Program; Calgary Foothills Medical Center; Calgary AB Canada
9. University of Calgary; Calgary AB Canada