1. From the Periodontology Unit UCL Eastman Dental Institute and HospitalUniversity College London London UK
2. Department of Periodontology Universitat Internacional de Catalunya BarcelonaSpain
3. Periodontology Unit Faculty of Odontology University of Santiago de Compostela & Medical‐Surgical Dentistry (OMEQUI) Research GroupHealth Research Institute of Santiago de Compostela (IDIS) Santiago de CompostelaSpain
4. Department of Statistics Universitat Internacional de Catalunya Barcelona Spain
5. Department of Periodontology and Oral Sciences Research Group University of Glasgow Dental School Glasgow UK
6. Department of Experimental Dentistry and Dental Prophylaxis Jagiellonian University Krakow Poland
7. Institute of Cardiovascular and Medical Sciences University of Glasgow Glasgow UK
8. Department of Internal and Agricultural Medicine Jagiellonian University Krakow Poland
9. Genetic Epidemiology Institute of Cardiovascular Science Faculty of Population Health Sciences University College London London UK