1. Department of Neonatology‐Pediatrics Hôpital Cochin‐St Vincent de Paul 82 Avenue Denfert Rochereau 75674 Paris Cedex 14 France
2. Department of Pediatrics Clinique de Pédiatrie St Antoine Hôpital St Vincent de Paul Université Catholique Boulevard Belfort, Bp 387 59020 Lille France
3. Department of diagnosis BIOHIT France 2 Rue du Grand Chêne, BP 5 78830 Bonnelles France
4. Department of Pathology Hôpital Cochin‐St Vincent de Paul Paris France
5. Department of Microbiology Hôpital Cochin‐St Vincent de Paul Paris France