[1] Univ Milan, Epidemiol & Prevent Pharmacol Ctr SEFAP, Milan, Italy
[2] Univ Milano Bicocca, Dept Stat & Quantitat Methods, Milan, Italy
[3] Bassini Hosp, Ctr Study Atherosclerosis, Cinisello Balsamo, MI, Italy
[4] IRCCS MultiMed, Sesto San Giovanni, MI, Italy