1. The Hemophilia Center, Oregon Health & Science University, Portland, Oregon.
2. Emory University School of Medicine and Aflac Cancer and Blood Disorders, Atlanta, Georgia.
3. Department of Pediatrics, University of New Mexico, Albuquerque, New Mexico.
4. American Thrombosis and Hemostasis Network, Chicago, Illinois.
5. Centers for Bleeding and Clotting Disorders, Michigan State University, East Lansing, Michigan.