1. Louvain Institute of Biomolecular Science and Technology, UCLouvain, 1348 Louvain-la-Neuve, Belgium
2. Department of Physics, Chalmers University of Technology, 41296 Göteborg, Sweden
3. Department of Infectious Diseases, University of Gothenburg, 41346 Göteborg, Sweden
4. Department of Clinical Microbiology, Umeå University, 90185 Umeå, Sweden
5. Wallenberg Centre for Molecular Medicine, Umeå University, 90185 Umeå, Sweden