Helmholtz Centre for Infection Research, Department for Cell Biology, Braunschweig, Germany.|Helmholtz Centre for Infection Research, Department for Cell Biology, Braunschweig, Germany.|Helmholtz Centre for Infection Research, Department for Cell Biology, Braunschweig, Germany.|Helmholtz Centre for Infection Research, Department for Cell Biology, Braunschweig, Germany.|Helmholtz Centre for Infection Research, Department for Cell Biology, Braunschweig, Germany.|Helmholtz Centre for Infection Research, Department for Cell Biology, Braunschweig, Germany.