[1] Grp Hosp Paris, AP HP, Ctr Cochin,Hotel Dieu Broca, Serv Bacteriol,Ctr Natl Reference Streptocoques, Paris, France
[2] DHU Risques & Grossesse, AP HP, Paris, France
[3] INSERM, Inst Cochin, U1016, Paris, France
[4] CNRS, UMR 8104, Paris, France
[5] Univ Paris 05, Sorbonne Paris Cite, Paris, France
[6] Inst Pasteur, Unite Biol Bacteries Pathogenes Gram Positif, Paris, France
[7] CNRS, ERL3526, Paris, France