1. Department of Internal Medicine, Bezmialem Vakif University Medical Faculty, Istanbul, Turkey;
2. Department of Biochemistry, Bezmialem Vakif University Medical Faculty, Istanbul, Turkey;
3. Department of Internal Medicine, Division of Hematology, Bezmialem Vakif University Medical Faculty, Istanbul, Turkey;
4. Department of Internal Medicine, Division of Nephrology, Bezmialem Vakif University Medical Faculty, Istanbul, Turkey