Affiliation: | 1. Division of Blood Disorders, National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, Atlanta, GA, USA;2. Emory University, Atlanta, GA, USA;3. The Bleeding and Clotting Disorders Institute, Peoria, IL, USA;4. New England Hemophilia Center, Worcester, MA, USA;5. Virginia Commonwealth University, Richmond, VA, USA |