1. University of Health Sciences, Sultan Abdulhamid Han Training Hospital, Department of Medical Biochemistry, 34668 Istanbul, Turkey, Phone: +90 216 5422020, Fax: +90 216 5422761
2. University of Health Sciences, Haydarpasa Numune Training Hospital, Department of Medical Biochemistry, Istanbul, Turkey
3. University of Health Sciences, Hamidiye Faculthy of Medicine, Medical Biochemistry Department, Istanbul, Turkey
4. University of Health Sciences, Gülhane Faculthy of Medicine, Medical Biochemistry Department, Istanbul, Turkey
5. University of Health Sciences, Haydarpasa Numune Training Hospital, Department of Internal Medicine, Istanbul, Turkey