1. Broegelmann Research Laboratory Department of Clinical Science University of Bergen Bergen Norway
2. Department of Microbiology Faculty of Biochemistry Biophysics and Biotechnology Jagiellonian University Krakow Poland
3. Interdisciplinary Nanoscience Center at the Department of Molecular Biology and Genetics Aarhus University Aarhus Denmark
4. Department of Rheumatology Haukeland University Hospital and Department of Clinical Science University of Bergen Bergen Norway
5. Centre for Oral Health and Systemic Diseases, University of Louisville School of Dentistry Louisville KY USA
6. Department of Laboratory Medicine Malmö Lund University Malmö Sweden