[1] Indiana Hemophilia & Thrombosis Ctr, Indianapolis, IN USA
[2] Univ Michigan, Dept Internal Med, Div Hematol Oncol, Ann Arbor, MI 48109 USA
[3] Georgetown Univ, Med Ctr, Washington, DC 20007 USA
[4] Tulane Univ, Sch Med, Ctr Bleeding & Clotting Disorders, 1430 Tulane Ave, New Orleans, LA 70112 USA
[5] Gulf States Hemophilia & Thrombophilia Ctr, Houston, TX USA
[6] Orthopaed Hemophilia Treatment Ctr, Los Angeles, CA USA