[1] Univ Hosp Essen, Inst Med Microbiol, Essen, Germany
[2] Univ Zurich, Swiss Inst Allergy & Asthma Res Davos, Zurich, Switzerland
[3] Osaka Univ, Inst Microbial Dis, Dept Host Def Res, Osaka, Japan
[4] Tech Univ Munich, Dept Med Microbiol Immunol & Hyg, Munich, Germany
[5] Univ Marburg, Inst Immunol, D-3550 Marburg, Germany
[6] Bavaria Nord GmbH, Dept Immunol Res, Martinsried, Germany