1. Pediatric Thrombosis and Hemostasis Program; The Hospital for Sick Children; Department of Pediatrics; University of Toronto; ON Canada
2. Departments of Medicine and Pathology; UNC Hemophilia and Thrombosis Center Chapel Hill; Hill NC USA
3. Department of Paediatrics and Malmo Centre for Thrombosis and Haemostasis; Lund University; Skanes Universitetssjukhus; Malmo Sweden
4. Hemophilia and Thrombosis Center; University of Colorado School of Medicine; Aurora CO USA
5. Julius Center for Health Sciences and Primary Care; UMC Utrecht; Utrecht the Netherlands
6. Department of Hematology; Christian Medical College; Vellore India