1. Division of Nephrology and Hypertension, Madrid, Spain
2. Renal, Vascular and Diabetes Research Laboratory University Hospital Fundacion Jimenez Diaz. Autonoma University (UAM), Madrid, Spain
3. Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain
4. FRIAT (Fundacion Renal Iñigo Alvarez de Toledo), Madrid, Spain