1. University Hospital Sainte Marguerite, Marseille, France;
2. American Memorial Hospital, Children's Hospital, Reims, France;
3. Côte de Nacre Hospital, Caen, France;
4. Centre Hospitalier Universitaire de Nancy and University of Nancy, Nancy, France;
5. Centre Hospitalier Universitaire de Montpellier and University of Montpellier, Montpellier, France;
6. Centre Hospitalier Universitaire de Toulouse and University of Toulouse, Toulouse, France;
7. University Louis Pasteur Hospital, Strasbourg, France;
8. Hospital Femme-Mère-Enfant, Lyon, France.