[1] Univ Udine, Dept Med, Gynecol & Obstet Clin, Via Colugna 50, I-33100 Udine, Italy
[2] Univ Hosp Udine, Dept Maternal & Child Hlth, Ple S Maria della Misericordia 15, I-33100 Udine, Italy
[3] Univ Udine, Dept Med, Anesthesia & Intens Care Clin, Via Colugna 50, I-33100 Udine, Italy
[4] Univ Hosp Udine, Dept Anesthesia & Intens Care, Ple S Maria della Misericordia 15, I-33100 Udine, Italy
[5] Univ Hosp Udine, Dept Cardiothorac Sci, Ple S Maria della Misericordia 15, I-33100 Udine, Italy