1. Pediatric Emergency Department Assistance Publique des Hôpitaux de Paris, Armand Trousseau Hospital Paris France
2. Obstetrical, Perinatal and Pediatric Epidemiology Research Team (Epopé), Center for Epidemiology and Statistics Sorbonne Paris Cité, DHU Risks in Pregnancy INSERM UMR 1153 Paris Descartes University Paris France
3. Pierre and Marie Curie Medical School Pierre and Marie Curie University, Paris VI Paris France
4. Pediatric Intensive Care Unit, Assistance Publique des Hôpitaux de Paris Armand Trousseau Hospital Paris France
5. Pediatric Emergency Department, Assistance Publique des Hôpitaux de Paris Robert Debré Hospital Paris France
6. Pediatric Department Jean Verdier Hospital Bondy France
7. Pediatric Emergency Department Centre Hospitalier Intercommunal de Créteil Créteil France
8. Pediatric Department Lagny‐Marne la vallée Hospital Lagny‐Sur‐Marne Cedex France
9. Pediatric Emergency Department Poissy Hospital Poissy France
10. Pediatric Department Versailles Hospital Le Chesnay Cedex France
11. Pediatric Emergency Department, Assistance Publique des Hôpitaux de Paris Necker‐Enfants Malades Hospital Paris France
12. Pediatric Radiology Department, Assistance Publique des Hôpitaux de Paris Armand Trousseau Hospital Paris France