1 Neonatal and Pediatric Intensive Care Unit, Saint-Étienne University Hospital, avenue Albert-Raimond, 42270 Saint-Étienne, France. Electronic address: hugues.patural@chu-st-etienne.fr.
2 Pediatric Intensive Care Unit, Montpellier University Hospital, 34295 Montpellier, France.
3 Pediatric Intensive Care Unit, Sète General Hospital, 34200 Sète, France.
4 Pediatric Intensive Care Unit, Nantes University Hospital, 44000 Nantes, France.
5 Pediatric Intensive Care Unit, Rennes University Hospital, 35000 Rennes, France.
6 Department of neonatal medicine, HFME Lyon, 69677 Bron, France.
7 Pediatric Intensive Care Unit, Grenoble University Hospital, 38700 Grenoble, France.
8 Pediatric Intensive Care Unit, Antoine-Béclère University Hospital, AP-HP, 92140 Clamart, France.
9 Neonatal Intensive Care Unit, Croix-Rousse Hospital, Lyon University Hospital, 69002 Lyon, France.