1. Hemophilia Center Rhine Main GmbH Mörfelden‐Walldorf Germany
2. Department of Clinical Science “Luigi Sacco,” University of Milan Milan Italy
3. Department of Pediatric Hematology, Oncology, Hemostaseology and Cardiology University Hospital Frankfurt Frankfurt am Main Germany
4. Technical Solutions Center Siemens Healthcare Diagnostics GmbH Eschborn Germany
5. Clinical Trial Center Rhine‐Main (KSRM) University Hospital Frankfurt Frankfurt am Main Germany
6. CSL Behring GmbH Marburg Germany