1. Department of Microbiology Tumor and Cell Biology Karolinska Institutet Stockholm 171 76 Sweden
2. Department of Materials Science and Technology University of Crete Heraklion Greece
3. Department of Medicinal Chemistry Uppsala University Uppsala 751 05 Sweden
4. Department of Materials Science and Engineering Uppsala University Uppsala Sweden
5. Division of Oral Diseases Department of Dental Medicine Karolinska Institutet Stockholm 141 52 Sweden
6. Institute of Electronic Structure and Laser (IESL) Foundation for Research and Technology Hellas (FORTH) Heraklion Greece