1 Department of Neonatal Intensive Care Unit, University Hôpital Femme Mère Enfant, Hospices Civils de Lyon, Lyon, France Samu 69, Hôpital Edouard Herriot, Hospices Civils de Lyon, Lyon, France Department of Neonatal Intensive Care Unit, Hôpital de la Croix Rousse, Hospices Civils de Lyon, Lyon, France Samu 69, Hôpital Edouard Herriot, Hospices Civils de Lyon, France.