[1] San Salvatore Acad Hosp Aquila, Dept Anesthesia, I-67100 Laquila, Italy
[2] San Salvatore Acad Hosp Aquila, Intens Care Unit, I-67100 Laquila, Italy
[3] Osped Pediat Bambino Gesu IRCCS, ARCO ROMA, Dept Anesthesia & Crit Care, Piazza S Onofrio 4, I-00165 Rome, Italy
[4] Fdn Pascale, Dept Anesthesia & Crit Care, Ist Nazl Tumori IRCCS, I-80131 Naples, Italy
[5] Spedali Civili Brescia, Dept Anesthesia & Intens Care, I-25123 Brescia, Italy
[6] Hosp Santa Croce Moncalieri, Dept Anesthesia & Intens Care, I-10024 Turin, Italy
[7] SS Annunziata Hosp Sulmona Aquila, Dept Anesthesia, I-67039 Laquila, Italy
[8] SS Annunziata Hosp Sulmona Aquila, Intens Care Unit, I-67039 Laquila, Italy
[9] SS Filippo & Nicola Acad Hosp Avezzano Aquila, Dept Anesthesia, I-67051 Laquila, Italy
[10] SS Filippo & Nicola Acad Hosp Avezzano Aquila, Intens Care Unit, I-67051 Laquila, Italy
[11] Sapienza Univ Rome, Dept Anat Histol Forens Med & Orthoped Sci, I-00185 Rome, Italy
[12] Univ Aquila, Dept Anesthesiol Intens Care & Pain Treatment, I-67100 Laquila, Italy