Affiliation: | 1. Department of Periodontology and Oral Biochemistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam, VU University Amsterdam, , Amsterdam, The Netherlands;2. Institute of Medical Informatics and Statistics, Christian‐Albrechts‐University, , Kiel, Germany;3. Department of Periodontology, Clinic of Preventive Dentistry and Periodontology, University Medical Center of the Julius‐Maximilians‐University, , Würzburg, Germany;4. Center of Periodontology, Operative and Preventive Dentistry, Clinic of University Medical Center Münster Preventive Dentistry, , Münster, Germany;5. Department of Periodontology, Operative and Preventive Dentistry, University of Bonn, , Bonn, Germany;6. Department of Operative Dentistry and Periodontology, University Medical Center Schleswig‐Holstein, , Kiel, Germany;7. Institute for Clinical Molecular Biology, Christian‐Albrechts‐University, , Kiel, Germany;8. Department of Conservative Dentistry, Periodontology and Preventive Dentistry, Hannover Medical School, , Hannover, Germany;9. Department of Prosthetic Dentistry and Biomedical Material Sciences, Hannover Medical School, , Hannover, Germany;10. Department of Preventive Dentistry and Periodontology, University of Munich, , Munich, Germany;11. Center of Periodontology, Operative and Preventive Dentistry, Clinic of Preventive Dentistry, University Medical Center Carl Gustav Carus der Technischen Universit?t Dresden, , Dresden, Germany;12. Department of Periodontology, University Medical Center Giessen and Marburg, , Marburg, Germany;13. Department of Periodontology, Centre for Dental, Oral and Maxillofacial Medicine (Carolinum), Johann Wolfgang Goethe‐University, , Frankfurt am Main, Germany;14. Biobank popgen, University Medical Center Schleswig‐Holstein, , Kiel, Germany;15. Department of Conservative Dentistry and Periodontology, Clinic of Dentistry, Bernhard Gottlieb University, , Vienna, Austria |