[1] Baxter Innovat GmbH, Vienna, Austria
[2] Univ Milan, A Bianchi Bonomi Hemophilia & Thrombosis Ctr, I-20122 Milan, Italy
[3] Emory Univ, Sch Med, Dept Pediat, Atlanta, GA USA
[4] Emory Univ, Sch Med, Dept Hematol Oncol, Atlanta, GA USA
[5] Hammersmith Hosp, Imperial Coll Sch Med, Dept Hematol, London, England
[6] Univ Kentucky, Hemophilia Treatment Ctr, Lexington, KY 40506 USA
[7] Indiana Hemophilia & Thrombosis Ctr, Indiana, PA USA
[8] Hannover Med Sch, Dept Hematol Hemostasis Oncol & Stem Cell Transpl, D-3000 Hannover, Germany
[9] Univ Pittsburgh, Pittsburg, KS USA
[10] Hemophilia Ctr Western Penn, Dept Med, Div Hematol Oncol, Pittsburg, KS USA
[11] Med Coll Wisconsin, Milwaukee, WI 53226 USA
[12] Royal Free Hosp, Haemophilia Ctr, London NW3 2QG, England
[13] Royal Free Hosp, Thrombosis Unit, London NW3 2QG, England
[14] Vivantes Klinikum Friedrichshain, Klin Innere Med Angiol & Haemostaseol, Berlin, Germany
[15] Baxter BioSci, Immunol, Vienna, Austria