Affiliation: | 1. Division of Hematology/Oncology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA;2. Hemophilia Center of Western Pennsylvania, Pittsburgh, PA, USA;3. Department of Hematology, Manchester University Royal Infirmary, Manchester, UK;4. Department of Pediatrics, Children's Hospital of Pittsburgh, Pittsburgh, PA, USA;5. Department of Health Policy and Management, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA;6. Center for Research on Health Care Data Center, University of Pittsburgh, Pittsburgh, PA, USA;7. Department of Biochemistry, University of Vermont, Colchester, VT, USA |