1. Faculty of Medicine, “Grigore T. Popa” University of Medicine, 700115 Iasi, Romania
2. Cardiology Department, Cardiovascular Diseases Institute “Prof. Dr. George I. M. Georgescu”, 700503 Iasi, Romania
3. Nephrology Department, Dialysis and Renal Transplant Center, “Dr. C.I. Parhon” University Hospital, 700503 Iasi, Romania