1. ECAT Foundation Voorschoten The Netherlands
2. Angelo Bianchi Bonomi Hemophilia and Thrombosis Center Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milan Italy
3. Department of Pathophysiology and Transplantation Università degli Studi di Milano Milan Italy
4. Children's Hospital Los Angeles University of Southern California Keck School of Medicine Los Angeles California USA
5. Division of Hematology and Hematopathology Mayo Clinic Rochester Minnesota USA
6. Laboratory Hemostasis, Hematology and Hemotherapy Center University of Campinas UNICAMP Campinas São Paulo Brazil
7. Sheffield Haemophilia and Thrombosis Centre Sheffield UK