[1] Rush Univ, Med Ctr, Hemophilia & Thrombophilia Ctr, Dept Pediat, Chicago, IL 60612 USA
[2] Rush Univ, Med Ctr, Dept Internal Med, Chicago, IL 60612 USA
[3] Hosp Sick Children, Dept Pediat, Toronto, ON M5G 1X8, Canada
[4] Univ New Mexico, Dept Pediat, Hlth Sci Ctr, Albuquerque, NM 87131 USA
[5] Tulane Univ, Med Ctr, Louisiana Ctr Bleeding & Clotting, New Orleans, LA USA
[6] Malmo Univ Hosp, Dept Coagulat Disorders, Malmo, Sweden
[7] JW Goethe Univ Hosp, Dept Pediat, Franklin, Germany
[8] Baxter Biosci, Westlake Village, CA USA
[9] City Hope Natl Med Ctr, Div Pediat, Duarte, CA 91010 USA
[10] Univ Milan, A Bianchi Bonomi Hemophilia & Thrombosis Ctr, I-20122 Milan, Italy
[11] Univ Texas Med Sch, Dept Pediat, Houston, TX USA
[12] Hop Edouard Herriot, Hemophilia Ctr, Lyon, France