[1] Univ Genoa, Radiol DISSAL, Genoa, Italy
[2] Univ Genoa, Ist Anat Umana DIMES, Genoa, Italy
[3] IRCCS Ist G Gaslini, Direz Sci Unita Farmacol Clin & Sperimentaz Clin, Genoa, Italy
[4] Unita Trombosi & Emostasi IRCCS Ist G Gaslini, Genoa, Italy
[5] Univ Naples Federico II, Dipartimento Med Clin & Sperimentale, I-80138 Naples, Italy
[6] Univ G dAnnunzio, Dipartimento Med Sci Invecchiamento, Chieti, Italy
[7] Policlin Univ Milano, Dipartimento Ortopedia, Milan, Italy
[8] Policlin Univ Milano, Ctr Emofila & Trombosi AB Bonomi, Milan, Italy
[9] Dipartimento Med Interna AOU Parma, Parma, Italy
[10] Ctr Emofilia AOU Careggi Firenze, Florence, Italy