[1] Inst Pasteur, Innate Immun & Viruses Unit, Infect & Epidemiol Dept, Paris, France
[2] Inst Pasteur, Paris, France
[3] Univ Konstanz, Dept Biol, Biochem Pharmacol, Constance, Germany
[4] Univ Pacific, Arthur A Dugoni Sch Dent, Dept Biomed Sci, San Francisco, CA USA