[1] Milan Bicocca Univ, Dept Expt Med, Milan, Italy
[2] Kocaeli Univ Hosp, Dept Anaesthesiol, Kocaeli, Turkey
[3] Policlin Univ Hosp, Anaesthesia & Intens Care Dept, Catania, Italy
[4] MBBM Fdn Neonatal Intens Care Unit, Monza, Italy
[5] San Gerardo Hosp, Serv Anesthesia & Intens Care 1, Monza, Italy