1. Service de Pédiatrie, Centre Hospitalier Intercommunal, Créteil, France
2. Université Paris Est, IMRB-GRC GEMINI, Créteil, France
3. ACTIV, Pediatric Clinical and Therapeutical Association of the Val de Marne, Saint-Maur des Fossés, France
4. Clinical Research Center, Centre Hospitalier Intercommunal de Créteil, France
5. Department of General Pediatrics, AP-HP, Hôpital Robert Debré, Université Paris Diderot, France
6. Department of Pediatric Emergency, CHU Nord, Marseille, France
7. Pediatric Emergency Unit and Infectious Diseases, University of Lille, CHU Lille, France
8. Department of Pediatric Emergency, AP-HP, Hôpital Le Kremlin-Bicêtre, Université Paris Sud, Bicêtre, France
9. Department of General Pediatrics, Centre Hospitalier de Versailles, Le Chesnay, France
10. Department of Pediatric Emergency, HFME Lyon, France
11. Department of Pediatrics, CHU Nantes, France
12. National Reference Center for Pneumococci, Laboratoire de Microbiologie, AP-HP, Hopital Européen Georges-Pompidou, Paris, France
13. Unité Court Séjour, Petits Nourrissons, Service de Néonatologie, Centre Hospitalier Intercommunal de Créteil, France