[1] ASL5 Liguria, SS Risk Management, I-19124 La Spezia, Italy
[2] Azienda Osped Univ Pisana, UOC Internal Med 4, I-56126 Pisa, Italy
[3] ASL 5 Liguria, SS Profess Sanitarie, I-19124 La Spezia, Italy
[4] Sapienza Univ Rome, Dept Anat Histol Forens & Orthopaed Sci, Viale Regina Elena 336, I-00161 Rome, Italy
[5] IRCSS Neuromed Mediterranean Neurol Inst, I-86077 Pozzilli, Italy
[6] Azienda Osped Perugia, Settore Formaz & Qualita, I-06124 Perugia, Italy
[7] G Marconi Univ, Dept Engn Sci, I-00193 Rome, Italy