1. Department of Microbial Drugs, Helmholtz Centre for Infection Research GmbH, Inhoffenstrasse 7, 38124 Braunschweig, Germany
2. Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
3. Department of Physics, Carl von Ossietzky Universität Oldenburg, Carl-von-Ossietzky-Str. 9-11, 26129 Oldenburg, Germany
4. Department of Bio- and Environmental Sciences, Technische Universität Dresden - International Institute Zittau, Markt 23, 02763 Zittau, Germany
5. Department of Cell Biology, Helmholtz Centre for Infection Research, Inhoffenstrasse 7, 38124 Braunschweig, Germany
6. Department of Chemistry, Egerton University, P.O. Box 536, 20115, Njoro, Kenya