Zoccali, Carmine, CNR - IFC Clinical Epidemiology and Pathophysiology of Renal Diseases and Hypertension, Reggio Calabria Zoppi, María Eugenia, Servicio de Nefrología, Diálisis y Trasplante Renal, Sanatorio Mitre, Buenos Aires, Argentina Zor, Murat, Urology Department, Gulhane Research and Training Hospital, Ankara, Turquía