[1] Univ Careggi, Azienda Osped, Emergency Dept, I-50134 Florence, Italy
[2] Univ Florence, Dept Crit Care Med & Surg, I-50134 Florence, Italy
[3] IRCCS Florence, Don Carlo Gnocchi Fdn, I-50134 Florence, Italy
[4] Univ Careggi, Azienda Osped, Gen Med Unit, I-50134 Florence, Italy