Institute for Maternal & Child Health, IRCCS "Burlo Garofolo", Anna Meyer Children’s University Hospital - Department of Pediatric Emergency Medicine and Trauma Center, Anna Meyer Children’s University Hospital - Department of Health Sciences, University of Verona - Verona University Hospital - Department of Neonatal and Paediatric Critical Care, University of Verona - Verona University Hospital - Department of Neonatal and Paediatric Critical Care, Institute for Maternal & Child Health, IRCCS "Burlo Garofolo", IRCCS Gaslini Children's Hospital - Pediatric Emergency Unit, IRCCS Gaslini Children's Hospital - Pediatric Emergency Unit, Misericordia Hospital - Pediatric Emergency Unit and Department of Pediatric and Neonatology, The Children Hospital, AO SS Antonio e Biagio e Cesare Arrigo - Pediatric and Pediatric Emergency Unit, The Children Hospital, AO SS Antonio e Biagio e Cesare Arrigo - Pediatric and Pediatric Emergency Unit, Pediatria d'Urgenza e Pronto Soccorso P.O.G. Di Cristina, P.O.G. Di Cristina - Pediatric Infectious Diseases, Institute for Maternal & Child Health, IRCCS "Burlo Garofolo", Institute for Maternal & Child Health, IRCCS "Burlo Garofolo", Ravenna Hospital - Department of Pediatrics, Community Pediatrics - Department of Pediatrics, Treviso General Hospital - Department of Pediatrics, Treviso General Hospital - Department of Pediatrics, G.B. Morgagni-L. Pierantoni Hospital - Pediatric Department, G.B. Morgagni-L. Pierantoni Hospital - Pediatric Department, Santa Maria degli Angeli Hospital - Department of Pediatrics and Neonatology, Santa Maria degli Angeli Hospital - Department of Pediatrics and Neonatology, Carlo Poma Hospital - Paediatric Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS - Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS - Department of Woman and Child Health and Public Health, San Polo Hospital - Pediatric Department, San Polo Hospital - Pediatric Department, University of Udine - Division of Paediatrics, University of Udine - Division of Paediatrics, Latisana-Palmanova, ASUFC - Department of Pediatrics, Latisana-Palmanova, ASUFC - Department of Pediatrics, "Cannizzaro" Emergency Hospital - Pediatric and Pediatric Emergency Room Unit, "Cannizzaro" Emergency Hospital - Pediatric and Pediatric Emergency Room Unit, University of Bari - Giovanni XXIII Pediatric Hospital, University of Bari - Giovanni XXIII Pediatric Hospital, Sapienza University of Rome, Sapienza University of Rome - Department of Pediatrics, Maggiore della Carità University Hospital - Neonatal and Pediatric Intensive Care Unit, IRCCS “Burlo Garofolo” - Institute for Maternal and Child Health and IRCCS “Burlo Garofolo” - Institute for Maternal and Child Health

Institute for Maternal & Child Health, IRCCS "Burlo Garofolo", affiliation not provided to SSRN, Institute for Maternal & Child Health, IRCCS "Burlo Garofolo", affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Gothenburg - Institute of Health and Care Sciences, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Gothenburg - Institute of Health and Care Sciences, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Western Norway University of Applied Sciences, Harvard University - Program in Global Surgery and Social Change, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, World Health Organization (WHO), affiliation not provided to SSRN and Independent