1 Pediatric Intensive Care Unit and Trauma Center, Department of Emergency and Intensive Care, A. Gemelli University Hospital, Rome, Italy - marco.piastra@unicatt.it.
2 Institute of Anesthesia and Intensive Care, A. Gemelli University Hospital, Rome, Italy - marco.piastra@unicatt.it.
3 Pediatric Intensive Care Unit and Trauma Center, Department of Emergency and Intensive Care, A. Gemelli University Hospital, Rome, Italy.
4 Institute of Anesthesia and Intensive Care, A. Gemelli University Hospital, Rome, Italy.