1. Division of Periodontology; Department of Dental Medicine; Karolinska Institutet; Karolinska University Hospital Solna; Solna Sweden
2. Cardiology Unit; Department of Medicine, Karolinska Institutet; Karolinska University Hospital Solna; Solna Sweden
3. Department of Periodontology; Faculty of Odontology; Malmö University; Malmö Sweden
4. Department of Clinical Chemistry; Aleris Medilab; Täby Sweden
5. Division of Clinical Chemistry; Department of Laboratory Medicine; Karolinska Institutet; Huddinge Sweden
6. Cardiology Unit; Capio S:t Görans Hospital; Stockholm Sweden
7. Helsinki University Central Hospital; Department of Oral and Maxillofacial Diseases; University of Helsinki; Helsinki Finland