[1] Ctr Thrombosis & Hemorrhag Dis, Milan, Italy
[2] Irish Haemophilia Soc, Dublin, Ireland
[3] HCD Econ, Knutsford, Cheshire, England
[4] Haemophilia Soc, London, England
[5] FedHemo, Madrid, Spain
[6] Italian Federat Haemophilia Associat FedEmo, Rome, Italy
[7] Assoc Francaise Hemophiles, Paris, France
[8] Hematol Utilizat Grp Study HUGS, Walnut Creek, CA USA
[9] World Federat Hemophilia, Montreal, PQ, Canada
[10] European Haemophilia Consortium, Brussels, Belgium
[11] Univ Chester, Chester, England