1. Department of Nephrology, Namık Kemal University, School of Medicine, Tekirdağ, Turkey
2. Department of Internal Medicine, Namık Kemal University, School of Medicine, Tekirdağ, Turkey
3. Department of Biochemistry, Namık Kemal University, School of Medicine, Tekirdağ, Turkey
4. Department of Nephrology, Karadeniz Technical University, School of Medicine, Trabzon, Turkey