1. Department of Preventive Dentistry; Faculty of Dental Medicine; “Carol Davila” University of Medicine and Pharmacy; Bucharest Romania
2. RECIF (Réseau d’ Epidémiologie Clinique International Francophone); Bucharest Romania
3. Department of Periodontology; Faculty of Dental Medicine; Hadassah and Hebrew University Medical Center; Jerusalem Israel
4. Department of Internal Medicine; Faculty of Medicine; “Carol Davila” University of Medicine and Pharmacy; Bucharest Romania
5. SCM Dr. Voinoiu; Bucharest Romania
6. Department of Periodontology; Faculty of Dental Medicine; “Carol Davila” University of Medicine and Pharmacy; Bucharest Romania