1. Institute of Health Services Research in Dentistry University of Münster Münster Germany
2. Institute of Clinical Chemistry and Laboratory Medicine University Medicine Greifswald Greifswald Germany
3. DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald University Medicine Greifswald Greifswald Germany
4. Department of Restorative Dentistry, Periodontology, Endodontology, and Preventive and Pediatric Dentistry University Medicine Greifswald Greifswald Germany
5. Institute for Community Medicine University Medicine Greifswald Greifswald Germany
6. Clinic for Periodontology and Conservative Dentistry University of Münster Münster Germany
7. Department of Medicine III and Center for Healthy Aging Technical University of Dresden Dresden Germany