1. Department of Medicine, Division of Cardiology, University of Verona, Verona, Italy
2. Division of Nephrology and Dialysis, Renal Program, Columbus-Gemelli University Hospital, Catholic University, Rome, Italy
3. Laboratory of Clinical Biochemistry and Haematology, Ospedale Civile Maggiore, Verona, Italy
4. Department of Medicine, Division of Nephrology, University of Verona, Verona, Italy