1. Chalmers University of Technology, Department of Chemistry and Chemical Engineering, Applied Chemistry, SE-41296 Gothenburg, Sweden
2. Chalmers University of Technology, Department of Chemistry and Chemical Engineering, Physical Chemistry, SE-41296 Gothenburg, Sweden
3. Department of Biotechnology and Biophysics, Biocenter, University of Würzburg, Am Hubland, D-97074 Würzburg, Germany