1. Department of Physics, Chalmers University of Technology, Fysikgränd 3, SE-41296 Göteborg, Sweden
2. Department of Biology and Biological Engineering, Chalmers University of Technology, Kemivägen 10, SE-41296 Göteborg, Sweden
3. Department of Chemistry and Biochemistry, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany
4. Department of Clinical Microbiology & Wallenberg Centre for Molecular Medicine, Umeå University, NUS Målpunkt R, 901 85 Umeå, Sweden
5. Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Kemivägen 10, SE-41296 Göteborg, Sweden