[1] San Giovanni Bosco Hosp, Haemophilia & Thrombosis Ctr, Naples, Italy
[2] Federico II Univ Hosp, Reg Reference Ctr Coagulat Disorders, Naples, Italy
[3] Carlo Poma Hosp, Dept Transfus Med & Haematol, Mantua, Italy
[4] San Bortolo Hosp, Haemophilia & Thrombosis Ctr, Dept Haematol, Vicenza, Italy
[5] Careggi Univ Hosp, Ctr Bleeding Disorders, Florence, Italy
[6] Univ Roma La Sapienza, Dept Cellular Biotechnol & Haematol, I-00185 Rome, Italy
[7] Univ Padua, Sch Med, Haemophilia Ctr, Dept Cardiol Thorac & Vasc Sci, Padua, Italy
[8] IRCCS Ca Granda Fdn, Maggiore Hosp Policlin, Angelo Bianchi Bonomi Haemophilia & Thrombosis Ct, Milan, Italy
[9] Italian Assoc Haemophilia Centres AICE, Milan, Italy