Lund University and Skåne University Hospital, Lund, Sweden; Bayer HealthCare Pharmaceuticals, Whippany, NJ; ICON Medical Imaging, Warrington, PA; Spire Sciences, Inc., Boca Raton, FL; Martin-Luther-Krankenhaus, Akademisches Lehrkrankenhaus der Charité - Universitätsmedizin Berlin, Berlin, Germany; Pediatrics (Hematology) and Hemophilia and Thrombosis Center, University of Colorado School of Medicine, Aurora, CO