1. University of Health Sciences Turkey, İstanbul Training and Research Hospital, Clinic of Nephrology, İstanbul, Turkey

2. Manisa Merkezefendi State Hospital, Clinic of Nephrology, Manisa, Turkey

3. Acıbadem Bursa Hospital, Clinic of Nephrology, Bursa, Turkey

4. Ege University Faculty of Medicine, Department of Internal Diseases, İzmir, Turkey

5. Zonguldak Can Dialysis Centers, Zonguldak, Turkey

6. Ege University Faculty of Medicine, Department of Internal Medicine, İzmir, Turkey