1. Pediatric Intensive Care Unit, Meyer Children’s University Hospital, Florence, Italy, Department of Health Sciences, Section of Anesthesiology and Intensive Care, University of Florence, Florence, Italy,
2. Department of Cardiac Surgery, Cardiology, Heart and Lung Transplant, Bambino Gesù Children’s Hospital, Rome, Italy
3. Department of Health Sciences, Section of Anesthesiology and Intensive Care, University of Florence, Florence, Italy, Department of Anesthesia and Intensive Care, AOU Careggi, Florence, Italy