[1] Meyer Univ, Dept Emergency Med, Childrens Hosp, Florence, Italy
[2] Meyer Univ, Trauma Ctr, Childrens Hosp, Florence, Italy
[3] Dept Pediat, Community Pediat, Ravenna, Italy
[4] Ravenna Hosp, Dept Pediat, Ravenna, Italy
[5] Osped Maggiore Policlin, Fdn IRCCS Ca Granda, Healthcare Profess Dept, Milan, Italy
[6] ASST Spedali Civili, Pediat Emergency Dept, Presidio Osped Bambini, Brescia, Italy
[7] IRCCS Ist Gaslini, Genoa, Italy
[8] Azienda Osped SS Antonio & Biagio & Cesare Arrigo, Pediat & Pediat Emergency Unit, Children Hosp, Alessandria, Italy
[9] AOU Citta Salute & Sci Torino, Regina Margherita Childrens Hosp, Dept Pediat Emergency, Turin, Italy
[10] Univ Padua, Dept Woman & Child Hlth, Pediat Emergency Dept, Padua, Italy
[11] Papa Giovanni XXIII Hosp, Dept Pediat, Bergamo, Italy
[12] IRCCS Burlo Garofolo, Inst Maternal & Child Hlth, Trieste, Italy
[13] Lodi Hosp, Dept Pediat, Lodi, Italy
[14] Bambino Gesu Pediat Hosp, Dept Pediat Emergency Med, IRCCS, Rome, Italy
[15] Maggiore della Carta Univ Hosp, Neonatal & Pediat Intens Care Unit, Novara, Italy
[16] Verona Univ Hosp, Dept Neonatal & Paediat Crit Care, Verona, Italy
[17] Carlo Poma Hosp, Paediat Unit, Mantua, Italy
[18] Univ Udine, Acad Hosp Santa Maria della Misericordia, Dept Med DAME, Div Paediat, Udine, Italy
[19] Rovereto Hosp, Pain Therapy Unit, ICU, Trento, Italy
[20] ASUFC, Dept Pediat, Udine, Italy
[21] Fdn Policlin Univ A Gemelli IRCCS, Dept Woman & Child Hlth & Publ Hlth, Rome, Italy
[22] Univ Cattolica Sacro Cuore, Rome, Italy
[23] ASL 4 Liguria, Dept Pediat, Lavagna, Italy
[24] Osped San Jacopo, Dept Pediat, Pistoia, Italy
[25] Filippo Del Ponte Hosp, Pediat Emergency Unit, ASST Settelaghi, Varese, Italy
[26] Univ Bologna, S Orsola Hosp, Pediat Emergency Unit, Bologna, Italy
[27] Hosp Filippo Del Ponte, Dept Pediat, Varese, Italy
[28] Hosp V Buzzi, Dept Pediat, Milan, Italy
[29] Univ Florence, Childrens Hosp A Meyer, Clin Trial Off, Florence, Italy
[30] Univ Florence, Childrens Hosp A Meyer, Neurosci Dept, Child Neurol Unit & Labs, Florence, Italy
[31] Univ Florence, Childrens Hosp A Meyer, Neurosurg Dept, Funct & Epilepsy Neurosurg Unit, Florence, Italy
[32] Univ Trieste, Dept Med Surg & Hlth Sci, Dept Pediat, Trieste, Italy
[33] Inst Maternal & Child Hlth IRCCS Burlo Garofolo, WHO Collaborating Ctr Maternal & Child Hlth, Via Istria 65-1, I-34137 Trieste, Italy