1. Nephrology Service (M.D.A., V.d.l.F., P.D., M.T.G., P.G., J.R.), Hospital Perpetuo Socorro, ES-03013 Alicante, Spain
2. Nephrology Service (M.R.), Hospital Reina Sofía, ES-14004 Córdoba, Spain
3. Lipid and Atherosclerosis Unit (Y.A.), IMIBIC/Reina Sofia University Hospital/University of Cordoba, and Centro de Investigación Biomédica en Red Fisiopatologia Obesidad y Nutricion, Instituto de Salud Carlos III, ES-28029 Madrid, Spain