1 Dental Clinics, Department of Periodontology, School of Dentistry, University Medicine Greifswald, Fleischmann-Strasse 42, D-17475, Greifswald, Germany. meiselp@uni-greifswald.de.
2 Dental Clinics, Department of Periodontology, School of Dentistry, University Medicine Greifswald, Fleischmann-Strasse 42, D-17475, Greifswald, Germany.
3 Institute of Clinical Chemistry and Laboratory Diagnostics, Greifswald, Germany.
4 DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, University Medicine, Greifswald, Germany.
5 Institute for Community Medicine, University Medicine Greifswald, Greifswald, Germany.