[1] Univ Paris 05, Infect Immun & Inflammat, Inst Cochin, INSERM U1016,CNRS UMR8104, Paris, France
[2] Univ Oslo, KG Jebsen Ctr Res Influenza Vaccines, Oslo, Norway
[3] Univ Oslo, Ctr Immune Regulat, Inst Immunol, Oslo, Norway
[4] Univ Aix Marseille 2, Ctr Immunol Marseille Luminy, Marseille, France