1. From the Unit of Internal Medicine (G.S., M.P., G.Pucci, M.R.M., L.S., E.M.), Angiology and Arteriosclerosis, University of Perugia, Perugia, Italy; the Department of Clinical Medicine and Prevention (G.Parati), University of Milano-Bicocca, Milan, Italy; and the Department of Cardiology (G.Parati), San Luca Hospital, IRCCS, Istituto Auxologico Italiano, Milan, Italy.