[1] Sapienza Univ Rome, Dept Pediat & Infant Neuropsychiat, Neonatal Emergency Transport Serv, Rome, Italy
[2] ASL Roma 2 Osped St Eugenio, Div Neonatol & Neonatal Intens Care Unit, Rome, Italy
[3] Villa Margherita Private Nursing Home, Div Neonatol, Rome, Italy
[4] Fdn MBBM, Neonatal Intens Care Unit, Monza, Italy
[5] IRCCS Ist Giannina Gaslini, Dept Epidemiol Biostat & Committees, Genoa, Italy
[6] IRCCS Ist Giannina Gaslini, Dept Mother & Child, Neonatal Intens Care Unit, Neonatal Emergency Transport Serv, Largo G Gaslini 5, I-16147 Genoa, Italy
[7] Hosp San Carlo, Potenza, Italy
[8] Hosp Federico II, Naples, Italy
[9] Hosp Santobono, Naples, Italy
[10] Hosp San Sebastiano, Caserta, Italy
[11] Hosp Burlo Garofalo, Trieste, Italy
[12] Hosp Santa Maria della Misericordia, Udine, Italy
[13] Hosp Modena, Modena, Italy
[14] Hosp Santa Maria Nuova, Reggio Emilia, Italy
[15] Policlin Umberto 1, Rome, Italy
[16] Hosp Bambino Gesu, Rome, Italy
[17] Gaslini Inst, Genoa, Italy
[18] Hosp Ca Granda Policlin, Milan, Italy
[19] Hosp Niguarda, Milan, Italy
[20] Hosp Carlo Poma, Mantua, Italy
[21] Hosp Macedonio Melloni, Milan, Italy
[22] Hosp San Gerarado, Monza, Italy
[23] Policlin San Matteo, Pavia, Italy
[24] Hosp St Anna, Como, Italy
[25] Hosp Lecco, Lecce, Italy
[26] Hosp Varese, Varese, Italy
[27] Spedali Civili Brescia, Brescia, Italy
[28] Hosp Papa Giovanni XXIII, Bergamo, Italy
[29] Hosp Riuniti Ancona, Ancona, Italy
[30] Hosp Cardarelli, Campobasso, Italy
[31] Hosp Maggiore della Carita, Novara, Italy
[32] Hosp St Anna, Turin, Italy
[33] Hosp Maria Vittoria, Turin, Italy
[34] Hosp Moncalieri, Turin, Italy
[35] Hosp Croce & Carle, Cuneo, Italy
[36] Hosp Arrigo, Alessandria, Italy
[37] Hosp Riuniti Foggia, Foggia, Italy
[38] Hosp Casa Sollievo & Sofferenza, Foggia, Italy
[39] ASL4, Enna, Italy
[40] Hosp Martino, Messina, Italy
[41] Hosp Cervello, Palermo, Italy
[42] Hosp Barone Romeo, Messina, Italy
[43] Hosp Meyer, Florence, Italy
[44] Hosp Santa Maria alle Scotte, Siena, Italy
[45] Hosp Pisa, Pisa, Italy
[46] Hosp Bolzano, Bolzano, Italy
[47] Hosp Padova, Padua, Italy
[48] Policlin Rossi, Verona, Italy