1. From the Diabetes and Obesity Research Program, Division of Cardiology, Heart and Lung Center, Helsinki University Central Hospital (M.G., M.O.P., M.S.N., M.-R.T.), Department of Radiology, HUS Medical Imaging Center, Helsinki University Central Hospital (K.N., J.L., A.H., K.L., N.L.), and Department of General Practice and Primary Health Care, Health Center of City of Helsinki (R.S.), University of Helsinki, Helsinki, Finland.