1. Department of Oral Microbiology and Immunology, Sahlgrenska Academy, Institute of Odontology, University of Gothenburg , Medicinaregatan 12A, 413 90 Gothenburg , Sweden
2. Department of Rheumatology and Inflammations Research, Sahlgrenska Academy, Institute of Medicine, University of Gothenburg , Guldhedsgatan 10A, 413 46 Gothenburg , Sweden
3. Department of Life Sciences, Chalmers University of Technology , Kemigården 4, 412 58 Gothenburg , Sweden
4. Department of Clinical Microbiology and Umeå Centre for Microbial Research (UCMR), Umeå University , 901 85 Umeå , Sweden