[1] Univ Lille, Ctr Hosp Univ Lille, Lille, France
[2] Washington Ctr Bleeding Disorders, Seattle, WA USA
[3] Univ Washington, Seattle, WA USA
[4] Catholic Univ Louvain, Clin Univ St Luc, Div Haematol, Haemostasis & Thrombosis Unit, Brussels, Belgium
[5] Orthoped Hemophilia Treatment Ctr, Los Angeles, CA USA
[6] CHU Lille, Serv Rhumatol, Hop Roger Salengro, Lille, France
[7] Royal Free Hosp, Katharine Dormandy Haemophilia & Thrombosis Ctr, London, England
[8] Sanofi, Amsterdam, Netherlands
[9] Sobi, Basel, Switzerland