1 Institute of Anesthesia and Intensive Care, Sacro Cuore Catholic University, A. Gemelli Policlinic, Rome, Italy - f.cavaliere@rm.unicatt.it.
2 Anestesia and Critical Care for Organ Transplantation, Azienda Ospedaliera Universitaria Pisana, Pisa, Italy.
3 Cardiovascular Anesthesia and Intensive Care Cardiac Surgery, Vita-Salute University, San Raffaele Hospital, Milan, Italy.
4 Department of Neurosciences, Reproductive and Odontostomatological Sciences, Federico II University, Naples, Italy.
5 Unit of Pediatric Intensive Care, Children's Hospital, Spedali Civili, Brescia, Italy.
6 Division of Anesthesiology and Resuscitation, Department of Emergency and Organ Transplantation, Aldo Moro University of Bari, Policlinic Hospital, Bari, Italy.
7 Unit of Pediatric Intensive Care and Trauma Center, Sacro Cuore Catholic University, A. Gemelli Policlinic, Rome, Italy.
8 Unit of Resuscitation, Critical Care, Anesthesia and Intensive Care, Universitay of Siena, Siena, Italy.
9 Department of Intensive Care, Erasme Hospital, Université Libre de Bruxelles (ULB), Brussels, Belgium.
10 Unit of Anesthesia and General Intensive Care, Department of Clinical, Surgical, and Experimental Medicine, Sassari University Hospital, University of Sassari, Sassari, Italy.