[1] Univ Gothenburg, Inst Biomed, Dept Microbiol & Immunol, Gothenburg, Sweden
[2] Albert Einstein Coll Med, Dept Microbiol & Immunol, Bronx, NY 10467 USA
[3] Albert Einstein Coll Med, Dept Med, Bronx, NY 10467 USA
[4] Juntendo Univ, Sch Med, Dept Immunol, Bunkyo Ku, Tokyo, Japan
[5] Karolinska Inst, Dept Microbiol Tumor & Cell Biol, Stockholm, Sweden