1. University Clinical Center of Vojvodina, Clinic for Nephrology and Clinical Immunology, Novi Sad, Serbia + University of Novi Sad, Faculty of Medicine, Novi Sad, Serbia
2. University of Novi Sad, Faculty of Medicine, Novi Sad, Serbia + University Clinical Center of Vojvodina, Emergency Medicine Center, Novi Sad, Serbia
3. University Clinical Hospital Center Zvezdara, Clinical Department for Nephrology and Metabolic Disorders with Dialysis, Belgrade, Serbia + University of Belgrade, Faculty of Medicine, Belgrade, Serbia