[1] Assoc Clin & Therapeut Infantile Val de Marne, 31 Rue Le Corbusier, F-94000 Creteil, France
[2] Univ Paris Cite, Epidemiol Clin & Evaluat Econ Appl Populat Vulnera, UMR S 1123, INSERM, Paris, France
[3] Sorbonne Univ, Trousseau Univ Hosp, AP HP, Dept Pediat Emergency, Paris, France
[4] Grp Pathol Infectieuse Pediat, Paris, France
[5] Assoc Francaise Pediat Ambulatoire, Paris, France
[6] Univ Paris Est, Res Ctr, Ctr Hosp Intercommuncal Creteil, Creteil, France
[7] Inst Mondor Rech Biomed, Grp Rech Clin, Grp Etud Malad Infect Neonatales & Infantile, Creteil, France
[8] Sanofi Pasteur, Lyon, France