1. Department of Endocrinology and Metabolism, Diskapi Training and Research Hospital, 06330 Ankara, Turkey
2. Department of Biochemistry, Diskapi Training and Research Hospital, 06330 Ankara, Turkey
3. Department of Endocrinology and Metabolism, School of Medicine, Ankara University, 06230 Ankara, Turkey
4. Translational Research Center, Diskapi Teaching and Research Hospital, 06330 Ankara, Turkey
5. Department of Internal Medicine, School of Medicine (Kastamonu), Hacettepe University, 06330 Ankara, Turkey