1. Hemophilia and Thrombophilia Center, Rush University Medical Center, Chicago, IL, USA
2. Department of Reconstructive Orthopedic Surgery for Hemophilia Patients, Hematology Research Center under the Russian Academy of Medical Sciences (RAMS), Moscow, Russia
3. Department of Hematology and Transplantology, Medical University of Gdańsk, Poland
4. Hemophilia Treatment Center, Orthopaedic Hospital, Los Angeles, CA, USA
5. Departments of Pediatric Bone Marrow Transplantation, Oncology, and Hematology, Wroclaw Medical University, Wroclaw, Poland
6. Baxter Healthcare Corporation, Westlake Village, CA, USA