1 Department of Cardiovascular Science, University of Sheffield, Sheffield, United Kingdom Sheffield Haemophilia and Thrombosis Centre, Sheffield, United Kingdom.
2 National Blood Centre, National Institute of Health, Rome, Italy.
3 Van Creveldkliniek and Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, The Netherlands.
4 Mater Dei Hospital, Msida, Malta, United Kingdom.
5 Department of Cardiovascular Science, University of Sheffield, Sheffield, United Kingdom.
6 Medical Data Solutions and Services Ltd, Manchester, United Kingdom.
7 Treatment Centre of Haemophilia, Bicêtre AP-HP Hospital, Paris, France.
8 Helsinki University Hospital, Helsinki, Finland.
9 Scientific Direction, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy.
10 Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Angelo Bianchi Bonomi Haemophilia and Thrombosis Centre, Milan, Italy.
11 Institute of Haematology and Transfusion Medicine, Warsaw, Poland.