[1] Careggi University Hospital,Department of Surgical and Medical Critical Care, Section of Neonatology
[2] ‘VBuzzi’ Children’s Hospital,Division of Neonatology
[3] University of Florence,Clinical Trials Coordinating Center, IstitutoToscanoTumori, Florence; Department of Human Pathology and Oncology
[4] A.O. Di Circolo Fondazione Macchi,Maternal and Child Health Department, Del Ponte Hospital
[5] Azienda Ospedaliera Universitaria Integrata,Department of Pediatrics, Pediatric and Neonatal intensive Care Unit
[6] Neonatal Intensive Care Unit,Division of Neonatology
[7] Di Venere Hospital,Department of Maternal Fetal and Neonatal Medicine
[8] Bari,Division of Neonatology
[9] C. Arrigo Children’s Hospital,Division of Neonatology
[10] S. Giovanni Calibita Hospital Fatebenefratelli,Department of Mother and Infant Science, Neonatal Intensive Care Unit
[11] Neonatal Intensive Care Unit,Maternal and Pediatrics Department
[12] Ospedali Riuniti,Department of Neonatology Obstetrics and Neuroscience
[13] Neonatal Intensive Care Unit,Department of Pediatrics
[14] Ospedale Regionale,Division of Neonatology
[15] Fondazione IRCCS ‘Ca’ Granda’Ospedale Maggiore Policlinico,Division of Neonatology, Careggi University Hospital
[16] Maggiore Hospital,undefined
[17] G. Gaslini Children’s University Hospital,undefined
[18] Azienda Ospedaliera of Padua,undefined
[19] Catholic University of Rome,undefined
[20] University of Florence School of Medicine,undefined