*Department of Biomedical and Surgical Specialties Sciences, Section of Sport Sciences and
†Vascular Diseases Center, University of Ferrara, Ferrara, Italy;
‡Clinical Epidemiology and Physiopathology of Renal Diseases and Hypertension of Reggio Calabria, National Council of Research, Institute of Clinical Physiology, Reggio Calabria, Italy;
§Nephrology, Dialysis and Renal Transplantation Unit, Ospedali Riuniti, Reggio Calabria, Italy;
‖Nephrology and Dialysis Unit, IRCCS Multimedica–Policlinico Multispecialistico, Milan, Italy;
¶Nephrology Unit, AOU Ferrara Arcispedale Sant’ Anna, Ferrara, Italy;
**Nephrology and Dialysis Unit, Ospedale Civile, Imola, Italy;
††Azzurra Medical Nephrological Ambulatory and Dialysis Techniques, Catania, Italy;
‡‡Department of Internal Medicine and Nephrology chair, University of Catania, Catania, Italy;
§§Nephrology and Dialysis Unit, IRCCS Cà Granda Ospedale Maggiore–Policlinico, Milano, Italy;
‖‖Nephrology and Dialysis Unit, Ospedale Pugliese–Ciaccio, Catanzaro, Italy;
¶¶Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy;
***Nephrology and Dialysis Unit, Policlinico Universitario Mater Domini, Catanzaro, Italy;
†††Nephrology Unit, Ospedale Casa Sollievo della Sofferenza, San Giovanni Rotondo, Foggia, Italy; and
‡‡‡Epidemiology Department, High Institute of Public Health–Alexandria University, Alexandria, Egypt
F. Manfredini and F. Mallamaci contributed equally to this work.
Correspondence: Prof. Carmine Zoccali, National Council of Research, Institute of Clinical Physiology, Clinical Epidemiology and Physiopathology of Renal Diseases and Hypertension of Reggio Calabria, c/o Nefrologia e CNR Ospedali Riuniti, 89124 Reggio Calabria, Italy. Email: [email protected]