1. Department of Oral Medicine & Pathology; Institute of Odontology; The Sahlgrenska Academy; University of Gothenburg; Göteborg Sweden
2. Department of Oral Microbiology and Immunology; Institute of Odontology; The Sahlgrenska Academy; University of Gothenburg; Göteborg Sweden
3. Department of Infectious Diseases; Institute of Biomedicine; The Sahlgrenska Academy; University of Gothenburg; Göteborg Sweden