1. Department of Nephrology and Dialysis, Zadar General Hospital, Bože Peričića 5, 23 000 Zadar, Croatia
2. Department of Nephropathology and Electron Microscopy, Department of Pathology and Cytology, Dubrava University Hospital, Avenija Gojka Šuška 6, 10000 Zagreb, Croatia
3. Institute of Pathology, School of Medicine, University of Zagreb, Šalata 3, 10000 Zagreb, Croatia
4. School of Medicine, University of Rijeka, Ulica Braće Branchetta 20/1, 51 000 Rijeka, Croatia