1. Institut Cochin, Team Bacteria and Perinatality, INSERM U1016, Paris, France
2. CNRS UMR 8104, Paris, France
3. Paris Descartes University, Paris, France
4. Department of Bacteriology, University Hospitals Paris Centre-Cochin, Assistance Publique – Hôpitaux de Paris, Paris, France
5. National Reference Center for Streptococci, Paris, France