1. Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstraße 15, 76131 Karlsruhe, Germany
2. Research Center Borstel, Leibniz Lung Center, Priority Area Infections, Division Cellular Microbiology, Parkallee 1-40, 23845 Borstel, Germany
3. German Center for Infection Research (DZIF), Site Hamburg-Lübeck-Borstel-Riems, 23845 Borstel, Germany
4. University of Luebeck, 23562 Luebeck, Germany