[1] Univ Milano Bicocca, Monza, Italy
[2] Regina Margherita Children Hosp, Turin, Italy
[3] Fdn IRCCS Ca Granda Osped Maggiore Policlin, Milan, Italy
[4] Fdn Paracelso, Milan, Italy
[5] Univ Florence, Florence, Italy
[6] Univ Hosp Parma, Parma, Italy
[7] Fdn Policlin Univ A Gemelli IRCCS, Rome, Italy
[8] Federico II Univ Hosp, Naples, Italy
[9] Guys & St Thomas NHS Trust, London, England
[10] Federat Haemophilia Associat FedEmo, Milan, Italy
[11] Clin Univ St Luc, Brussels, Belgium
[12] Univ Hosp La Paz, Madrid, Spain
[13] Sheba Med Ctr, Tel Hashomer, Israel
[14] Federat Haemophilia Associat FedEmo, Rome, Italy
[15] Univ Genoa, Genoa, Italy
[16] Univ Hosp Paolo Giaccone, Palermo, Italy
[17] CHARTA Fdn, Milan, Italy
[18] Ist Giannina Gaslini, Genoa, Italy
[19] Careggi Univ Hosp, Florence, Italy