1. Division of Metabolic Disorders, Department of Internal Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
2. Doctoral School of Health Sciences, Faculty of Public Health, University of Debrecen, Debrecen, Hungary
3. Department of Nephrology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
4. Department of Organ Transplantation, Faculty of Medicine, Institute of Surgery, University of Debrecen, Debrecen, Hungary