1. University of Health Sciences Turkey, Istanbul Haseki Training and Research Hospital, Clinic of Endocrinology and Metabolism Diseases, Istanbul, Turkey
2. Denizli State Hospital, Clinic of Endocrinology and Metabolism Diseases, Denizli, Turkey
3. Canakkale Onsekiz Mart University, Department of Internal Medicine, Division of Endocrinology and Metabolism, Canakkale, Turkey
4. Ordu State Hospital, Clinic of Endocrinology and Metabolism, Ordu, Turkey
5. Ankara Liv Hospital, Clinic of Endocrinology and Metabolism, Ankara, Turkey