1. Renal, Vascular and Diabetes Research Laboratory, Av Reyes Catolicos 2; Madrid E-28040 Spain
2. Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM); Spain
3. Division of Nephrology; Hospital Universitario de Burgos; Burgos Spain
4. Division of Nephrology and Hypertension; IIS-Fundación Jimenez Diaz UAM; Madrid Spain
5. Department of Medicine; UAM; Madrid Spain
6. Kidney Research Network (REDINREN); Madrid Spain