[1] Univ Aquila, San Salvatore Hosp, Ctr Hypertens & Cardiovasc Prevent, Unit Internal Med & Nephrol,Dept Life Hlth & Envi, Laquila, Italy
[2] Univ Milano Bicocca, Dept Med & Surg, Clin Med, Milan, Italy
[3] Univ Florence, Dept Clin & Expt Med, Res Unit Periodontol & Periodontal Med, Florence, Italy
[4] Univ Turin, CIR Dent Sch, Dept Surg Sci, Turin, Italy
[5] UCL, UCL Eastman Dent Inst & Hosp, Periodontol Unit, London, England
[6] Univ Aquila, San Salvatore Hosp, Dent Clin, Unit Oral Dis Prevent & Translat Res,Dept Life Hl, Laquila, Italy