1. From the Department of Epidemiology and Health Promotion, National Public Health Institute, Helsinki, Finland (H.T., M.M., K.K., J.T.); Department of Medicine, University Hospital, Umeå, Sweden (K.A.); Institute of Cardiology of the Kaunas University of Medicine, Kaunas, Lithuania (D.R.); and Centro Malattie Cardiovascolari, Medio Friuli, Osp. S M. Misericordia, Udine, Italy (D.V.P.).