[1] Max Planck Inst Infect Biol, Dept Regulat Infect Biol, Berlin, Germany
[2] Helmholtz Ctr Infect Res, Dept Regulat Infect Biol, Braunschweig, Germany
[3] Umea Univ, Dept Mol Biol, UCMR, Lab Mol Infect Med Sweden MIMS, Umea, Sweden
[4] Hannover Med Sch, Hannover, Germany