1. Institute of Microbiology, Kiel University, Kiel, Germany
2. Institute of Clinical Molecular Biology, Kiel University, Kiel, Germany
3. The Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
4. The National Institute for Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva, Israel