1. Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico Angelo Bianchi Bonomi Hemophilia and Thrombosis Center and Fondazione Luigi Villa Milan Italy
2. Department of Pathophysiology and Transplantation Università degli Studi di Milano Milan Italy
3. European Association for Hemophilia and Allied Disorders Brussels Belgium
4. Division of Haematology, Haemostasis and Thrombosis Unit, Cliniques Universitaires Saint‐Luc Université Catholique de Louvain Brussels Belgium
5. Department of Infection, Immunity and Cardiovascular Disease University of Sheffield Sheffield UK
6. Sheffield Haemophilia and Thrombosis Centre Sheffield UK