1. Haemostasis and Thrombosis Unit; Division of Haematology; Cliniques Universitaires Saint-Luc; Brussels Belgium
2. Faculty of Health Sciences; Charlotte Maxeke Johannesburg Academic Hospital; University of the Witwatersrand and National Health Laboratory Service; Johannesburg South Africa
3. Shire; Cambridge MA USA
4. BEBAC; Vienna Austria
5. A. Bianchi Bonomi Hemophilia and Thrombosis Center; IRCCS Ca’ Granda Foundation; Maggiore Hospital Policlinico of Milan; Milan Italy
6. Children's Hospital Los Angeles; University of Southern California Keck School of Medicine; Los Angeles CA USA
7. Shire; Zurich Switzerland
8. Shire; Vienna Austria
9. Department of Pediatrics; Division of Hematology/Oncology; The Hospital for Sick Children; University of Toronto; Toronto Canada
10. Centre for Thrombosis and Haemostasis; Lund University; Malmö Sweden