1. Division of Infectious Diseases, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA.
2. INSERM, IAME, UMR 1137, F-75018 Paris, France.
3. Université Paris Diderot, Sorbonne Paris Cité, F-75018 Paris, France.
4. Department of Microbiology and Immunobiology, Harvard Medical School, Boston, MA 02115, USA.
5. EA 4687, Faculté de Médecine, Université de Reims Champagne-Ardenne, 51092 Reims, France.
6. EA 4655, Faculté de Médecine, Université de Caen Basse-Normandie, 14033 Caen, France.
7. Department of Epidemiology, Harvard School of Public Health, Boston, MA 02115, USA.
8. Hôpitaux de Paris (AP-HP), Pédiatrique Emergency Département, Hôpital Necker-Enfants Malades and Université Paris Descartes, 75015 Paris, France.