1. Department of Pediatrics, Antoine Béclère University Hospital, Assistance Publique-Hôpitaux de Paris, Clamart, France2INSERM, CESP Centre for Research in Epidemiology and Population Health, Paris-Sud, Paris-Saclay University, Villejuif, France
2. Pediatric Emergency Department, Paris Descartes University, Necker Enfants Malades Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
3. Department of Pediatrics, Hôpital Mère Enfant, Nantes University Hospital, Nantes, France
4. Pediatric Emergency Unit and Infectious Diseases, Lille University, Lille, France
5. INSERM, CESP Centre for Research in Epidemiology and Population Health, Paris-Sud, Paris-Saclay University, Villejuif, France
6. Department of Pediatrics, Poissy Hospital, Poissy, France
7. Department of Pediatrics, Kremlin Bicêtre University Hospital, Assistance Publique-Hôpitaux de Paris, Le Kremlin-Bicêtre, France
8. Department of Pediatrics, Dupuytren University Hospital, Limoges, France
9. Department of Pediatrics, Jean Verdier Hospital, Assistance Publique-Hôpitaux de Paris, Paris 13 University, Bondy, France
10. Department of Pediatrics, Sud Francilien Hospital, Corbeil-Essonnes, France
11. Department of Pediatrics, Centre Hospitalier de Marne La Vallée, Jossigny, France
12. Department of Pediatrics, Créteil Hospital, Créteil, France
13. Department of Paediatric Surgery, Hôpital d'Enfants de La Timone, Marseille, France
14. Department of Pediatrics, Rouen University Hospital, Rouen, France
15. Department of Pediatrics, Louis Mourier University Hospital, Assistance Publique-Hôpitaux de Paris, Colombes, France
16. Pediatric Emergency Unit, Hôpitaux Pédiatriques de Nice, CHU Lenval, Nice, France
17. Assistance Publique-Hôpitaux de Paris, Hôpital Paul Brousse, Virologie, National Reference Laboratory for Maternofetal Rubella Infections, Villejuif, France