1. Institute of Experimental Hematology and Transfusion Medicine, University Clinic Bonn, Bonn, Germany
2. Hemostasis and Thrombosis Center Children’s Hospital, Los Angeles, CA, USA
3. University of Southern California Keck School of Medicine, Los Angeles, CA, USA
4. Foundation IRCCS Ca' Granda, Maggiore Hospital Policlinico, Milan, Italy
5. Angelo Bianchi Bonomi Hemophilia and Thrombosis Center, Milan, Italy
6. Hemophilia Center Rhein-Main - HZRM, Frankfurt – Mörfelden, Germany