[1] Boston Hemophilia Ctr, Boston, MA USA
[2] Henry Ford Hosp, Adult Hemophilia Treatment Ctr, Detroit, MI 48202 USA
[3] Arizona Hemophilia & Thrombosis Ctr, Tucson, AZ USA
[4] Albany Med Ctr, Hemophilia & von Willebrand Treatment Ctr, Albany, NY USA
[5] Childrens Hosp Cent Calif, Madera, CA USA
[6] Natl Hemophilia Fdn, New York, NY USA
[7] Virginia Commonwealth Univ, Richmond, VA USA
[8] Dayton Childrens Hosp, Dayton, OH USA