1. Division of Endocrinology and Metabolism, Department of Internal Medicine, Dokuz Eylul University Medical School, Izmir, Turkey
2. Department of Medical Biochemistry, Dokuz Eylul University Medical School, Izmir, Turkey
3. Department of Obstetrics and Gynecology, Manisa Merkezefendi Hospital, Manisa, Turkey
4. Division of Endocrinology and Metabolism, Department of Internal Medicine, Izmir Bozyaka Training and Research Hospital, Izmir, Turkey
5. Department of Internal Medicine, Dokuz Eylul University Medical School, Izmir, Turkey