1. Department of Conservative Dentistry and Endodontics University of Cagliari Cagliari Italy
2. Research Unit in Periodontology and Periodontal Medicine University of Florence FlorenceItaly
3. University College of Dublin Mater Misericordiae University Teaching Hospital Dublin Ireland
4. Private practice Udine Italy
5. Private practice Bologna Italy
6. Private practice Verona, Roma Italy
7. Unit of Cardiac Surgery and Translational Researh IRCCS Policlinico S. Donato San Donato Italy
8. Private practice Roma Italy
9. Department of Cardiac Surgery S. Croce Hospital Cuneo Italy
10. Cardiovascular Center ASS1 Trieste Italy
11. Division of Cardiology Hospital “Garibaldi‐Nesima” Catania Italy
12. Department of Cardiovascular Disease University of Rome Tor Vergata Rome Italy
13. Department of Surgery, Microsurgery and Medicine Sciences University of Sassari Sassari Italy
14. Department of Heart and Vessels Cardiac Surgery Unit and Heart Transplantation Center S. Camillo‐Forlanini Hospital Roma Italy
15. Department of Medical Sciences University of Cagliari Cagliari Italy