1. Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, SE-171 77 Stockholm, Sweden
2. Division of Clinical Microbiology, Karolinska University Hospital, SE-171 76 Stockholm, Sweden
3. Pharmacognosy, Department of Pharmaceutical Biosciences, Uppsala University, Biomedical Centre, Box 591 SE-75124 Uppsala, Sweden
4. Institute of Medical Sciences, University of Aberdeen, Ashgrove Road West, Foresterhill, Aberdeen AB25 2ZD, U.K.
5. Department of Chemistry, University of Aberdeen, Meston Walk, Aberdeen AB24 3UE, U.K.
6. Nanotechnology and Functional Materials, Department of Materials Science and Engineering, Uppsala University, Box 35, SE-75103 Uppsala, Sweden