1. Department of Life Technologies, University of Turku, Turku, Finland
2. Department of Biological and Environmental Sciences, Nanoscience Center, University of Jyvaskyla, Jyvaskyla, Finland
3. Institute of Dentistry, University of Turku, Turku, Finland
4. Division of Molecular Periodontology, Department of Odontology, Umeå University, Umeå, Sweden
5. Department of Chemistry, Nanoscience Center, University of Jyvaskyla, Jyvaskyla, Finland