1. Department of Oral Microbiology and Immunology Institute of Odontology. Sahlgrenska Academy at University of Gothenburg Gothenburg Sweden
2. Department of Rheumatology and Inflammation Research Institute of Medicine Sahlgrenska Academy at University of Gothenburg Gothenburg Sweden
3. Specialist Clinic of Periodontics, Gothenburg, Public Dental Service Region Västra Götaland Sweden
4. Clinical Immunology and Transfusion Medicine Sahlgrenska University Hospital Gothenburg Sweden
5. Unit of Rheumatology Sahlgrenska University Hospital Gothenburg Sweden