1 Department of Anesthesiology, Azienda Ospedaliero Universitaria Policlinico-San Marco, University of Catania Via S Sofia, Catania 95123, Italy; Italian Society of Pediatric and Neonatal Anesthesia and Intensive Care, Milan, Italy. Electronic address: minardi.carmelo@virgilio.it.
2 Sacred Heart Catholic University, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy; Italian Society of Pediatric and Neonatal Anesthesia and Intensive Care, Milan, Italy.
3 Neonatal and Pediatric Intensive Care Unit, Emergency Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy.
4 Italian Society of Pediatric and Neonatal Anesthesia and Intensive Care, Milan, Italy.