1. Angelo Bianchi Bonomi Hemophilia and Thrombosis Center; IRCCS Ca' Granda Foundation; Maggiore Hospital Policlinico; Milan Italy
2. Hôpital Cochin; Université Paris Descartes; Inserm U-818; Institut Pasteur; Paris France
3. Hospital Universitario La Paz; Madrid Spain
4. Academic Medical Center; Amsterdam the Netherlands
5. Universitair Medisch Centrum Utrecht; Utrecht the Netherlands
6. Clinical Hospital of Tsentrosoyuz; Moscow Russia
7. Bristol-Myers Squibb, Inc.; Wallingford CT USA