1. Department of Removable Prosthodontics, Faculty of Dentistry, Istanbul University, 34093 Istanbul, Turkey
2. Department of Periodontology, Faculty of Dentistry, Istanbul University, 34093 Istanbul, Turkey
3. Department of Nephrology, Haseki Training and Research Hospital, 34087 Istanbul, Turkey
4. Department of Nephrology, Istanbul Training and Research Hospital, 34103 Istanbul, Turkey
5. Department of Public Health, Faculty of Medicine, Istanbul University, 34093 Istanbul, Turkey
6. Department of Nephrology, Faculty of Medicine, Istanbul University, 34093 Istanbul, Turkey
7. Department of Nephrology, Vakif Gureba Hospital, 34091 Istanbul, Turkey