1 Pediatric Intensive Care Unit, San Bortolo Hospital, Vicenza, Italy - anna.zanin@aulss8.veneto.it.
2 Pediatric Intensive Care Unit, Hospital Infantil Universitario Niño Jesús, Madrid, Spain.
3 Red Colaborativa Pediátrica de Latinoamérica (LARed Network), Unidad de Cuidados Intensivos Pediátricos Especializados (CIPe), Casa de Galicia, Montevideo, Uruguay.
4 Division of Pediatric Anesthesiology and Intensive Care, Department of Pediatrics, Children's Hospital Vittore Buzzi, ASST Fatebenefratelli-Sacco, Milan, Italy.