[1] Univ Hosp Ctr Zagreb, Natl Haemophilia Ctr, Zagreb 10000, Croatia
[2] No Ireland Haemophilia Comprehens Care Ctr, Belfast, Antrim, North Ireland
[3] Univ Belgrade, Sch Med, Clin Ctr Serbia, Inst Haematol, Belgrade, Serbia
[4] Ctr Histol Zytol & Mol Diagnost, Trier, Germany
[5] Malmo Univ Hosp, Dept Paediat & Coagulat Disorders, Malmo, Sweden
[6] Azienda Osped Univ Careggi, Dept Emergency & Recept, Reference Ctr Inherited Bleeding Disorders Tuscan, Agcy Hemophilia, Florence, Italy
[7] Univ Autonoma Madrid, Fac Psychol, Dept Psychobiol & Hlth, Madrid, Spain
[8] Univ Milan, Mangiagalli & Regina Elena Fdn, IRCCS Maggiore Hosp, Angelo Bianchi Bonomi Haemophilia & Thrombosis Ct, Milan, Italy
[9] Guys & St Thomas NHS Fdn Trust, Ctr Haemophilia & Thrombosis, Haemostasis Res Unit, London, England
[10] Kings Coll London, Sch Med, London WC2R 2LS, England