University of Paris - Division of Pediatrics and Neonatal Critical Care, University of Paris - Division of Pediatrics and Neonatal Critical Care, University of Paris - Division of Pediatrics and Neonatal Critical Care, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico - Neonatal Intensive Care Unit, Polytechnic University of Milan, Catholic University of Milan, Catholic University of Milan, Catholic University of Milan, Pediatric Hospital Bambino Gesù and University of Paris - Division of Pediatrics and Neonatal Critical Care

University of Paris - Division of Pediatrics and Neonatal Critical Care, University of Paris - Division of Pediatrics and Neonatal Critical Care, University of Paris - Division of Pediatrics and Neonatal Critical Care, University of Paris - Division of Pediatrics and Neonatal Critical Care, University of Paris - Division of Pediatrics and Neonatal Critical Care, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico - Neonatal Intensive Care Unit, University of Padua, University of Padua and University of Paris - Division of Pediatrics and Neonatal Critical Care

University of Paris - Division of Obstetrics and Gynecology, Hôpital Paul-Brousse - Service de Virologie, Bicêtre University Hospital - Division of Pathology, Hôpital Paul-Brousse - Service de Virologie, Hôpital Robert Debré - Division of Obstetrics and Gynecology, University of Paris - Division of Obstetrics and Gynecology, AP-HP Hôpital Trousseau - Division of Obstetrics and Gynecology, Centre Hospitalier André Grégoire - Division of Neonatology and Neonatal Critical Care, University of Paris - Division of Pediatrics and Neonatal Critical Care, University of Paris - Division of Pediatrics and Neonatal Critical Care, University of Paris - Division of Obstetrics and Gynecology, University of Paris - Division of Obstetrics and Gynecology, Bicêtre University Hospital - Division of Pathology and University of Paris - Division of Pediatrics and Neonatal Critical Care