1 Department of Anesthesia and Critical Care, ARCO Roma, Bambino Gesù Children's Hospital, Rome, Italy.
2 Division of Anesthesiology, Critical Care and Pain Medicine, Department of Medicine and Surgery, University of Parma, Parma, Italy.
3 Department of Anesthesia and Critical Care, Istituto Nazionale Tumori - IRCCS Fondazione Pascale, Naples, Italy.
4 Department of Anesthesia and Intensive Care, Infermi Hospital, AUSL Romagna, Rimini, Italy.
5 Division of Anesthesiology, Critical Care and Pain Medicine, Department of Medicine and Surgery, University of Parma, Parma, Italy - elenagiovanna.bignami@unipr.it.