1. Department of Endocrinology and Metabolism, Adıyaman Training and Research Hospital, Adıyaman, Turkey
2. Department of Internal Medicine, Division of Endocrinology and Metabolism, Antalya Kepez State Hospital, Kepez, Turkey
3. Division of Internal Medicine, Adıyaman Training and Research Hospital, Adıyaman, Turkey
4. Department of Internal Diseases, Umraniye Training and Research Hospital, University of Health Sciences, İstanbul, Turkey
5. Department of Endocrinology and Metabolism, Marmara University Training and Research Hospital, Turkey