1 Division of Haematology, St-Luc University Hospital, Université catholique de Louvain (UCLouvain), Bruxelles, Belgium.
2 Department for Coagulation Disorders, Skåne University Hospital, Malmö, Sweden.
3 Congenital Coagulopathies Reference Center, Centro Hospitalar Universitário de São João, E.P.E., Porto, Portugal.
4 St Thomas' Hospital, London, UK.
5 Reference Centre for Haemophilia and Other Congenital Rare Bleeding Disorders, Congenital Platelets Disorders and von Willebrand Disease, Bicêtre Hospital AP-HP, University Paris XI, Le Kremlin-Bicêtre, Parma, France.
6 Division of Angiology and Hemostasis, University Hospitals of Geneva, Geneva, Switzerland.
7 Department of Haematology, Oslo University Hospital, and Institute for Clinical Medicine, University of Oslo, Oslo, Norway.
8 Sheba Medical Center, Tel Hashomer& The Amalia Biron Thrombosis Research Institute, Tel Aviv University, Tel Hashomer, Israel.
9 Vivantes Klinikum im Friedrichshain, Berlin, Germany.
10 IRCCS Humanitas Research Hospital-Rozzano, Milan, Italy.
11 Institute of Experimental Hematology and Transfusion Medicine, University Hospital Bonn, Bonn, Germany.
12 Virgen del Rocío Hospital, Seville, Spain.
13 Department of Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria.
14 Regional Reference Centre for Inherited Bleeding Disorders, Parma University Hospital, Parma, Italy.
15 Glasgow Royal Infirmary, Glasgow, UK.
16 Van Creveldkliniek, University Medical Center Utrecht, Utrecht, University of Utrecht, Utrecht, The Netherlands.
17 Department of Hemostasis Disorders and Internal Medicine, Institute of Hematology and Transfusion Medicine, Warsaw, Poland.
18 Hospital Universitario La Paz, idiPAZ, Autónoma University, Madrid, Spain.
19 Department of Haematology, Faculty of Medicine, University Medical Centre Ljubljana, University of Ljubljana, Ljubljana, Slovenia.