1. Children’s Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
2. Division of Hematology and Oncology, St Michael’s Hospital, University of Toronto, Toronto, Ontario, Canada
3. Haemophilia Centre, APHP Bicêtre Hospital, University Paris XI, Le Kremlin-Bicêtre, France
4. Louisiana Center for Bleeding and Clotting Disorders, Tulane University School of Medicine, New Orleans, LA, USA
5. Malmö Centre for Thrombosis and Haemostasis, Skåne University Hospital, Lund University, Lund, Sweden