1. Mayo Clinic Comprehensive Hemophilia Center; Rochester MN USA
2. Angelo Bianchi Bonomi Hemophilia and Thrombosis Center; Fondazione IRCCS Ca’ Granda; Ospedale Maggiore Policlinico; Milan Italy
3. Department of Haematology; Manchester University; Manchester Royal Infirmary; Manchester UK
4. Weill Cornell Medical College; New York NY USA
5. Rush Hemophilia and Thrombophilia Center; Rush University Medical Center; Chicago IL USA
6. National Hemophilia Center; Sheba Medical Center; Tel Hashomer Israel
7. Sackler Medical School; Tel Aviv University; Tel Hashomer Israel
8. MSU Center for Bleeding and Clotting Disorders; Michigan State University; East Lansing MI USA