[1] IRCCS Azienda Ospedaliero Universitaria Di Bologna,Pediatric Emergency Unit
[2] University of Bologna,Specialty School of Paediatrics (EM, EMT), Alma Mater Studiorum
[3] AUSL della Romagna,UOC Gastroenterologia ed Endoscopia Digestiva Forlì
[4] University of Bologna,Cesena
[5] Pediatric Intermediate Care Unit,Department of Medical and Surgical Sciences
[6] Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico,Department of Medical and Surgical Sciences for Mothers, Children and Adults
[7] University of Modena and Reggio Emilia,Paediatric Unit
[8] Carpi Hospital,Department of Pediatrics
[9] AUSL,Department of Paediatrics
[10] Guglielmo da Saliceto Hospital,Pediatric Clinic
[11] Santa Maria Delle Croci Hospital,Institute for Maternal and Child Health
[12] AUSL Della Romagna,Paediatrics Unit, Santa Maria Nuova Hospital
[13] Rimini Hospital,Paediatrics Unit, G.B. Morgagni Pierantoni Hospital
[14] AUSL Romagna,undefined
[15] IRCCS “Burlo Garofolo”,undefined
[16] and University of Trieste,undefined
[17] AUSL Bologna,undefined
[18] Azienda Unità Sanitaria Locale (AUSL)-Scientific Institute for Research and Healthcare (IRCCS) of Reggio Emilia,undefined
[19] Azienda Unità Sanitaria Locale (AUSL) Romagna,undefined