1. Department of Endocrinology and Metabolism; Istanbul Turkey
2. Department of Endocrinology and Metabolism; Acıbadem University Medical Faculty; Istanbul Turkey
3. Department of Endocrinology and Metabolism; Koç University Medical Faculty; Istanbul Turkey
4. Department of Biostatistics; Yeditepe University Medical Faculty; Istanbul Turkey
5. Department of Endocrinology and Metabolism; Marmara University Medical Faculty; Istanbul Turkey
6. Department of Endocrinology and Metabolism; Fatih Sultan Mehmet Education and Research Hospital; Istanbul Turkey
7. University of Health Sciences; Bursa Yuksek Ihtisas Education and Training Hospital; Department of Endocrinology and Metabolism; Bursa
8. Lütfi K?rdar Education and Training Hospital; Department of Endocrinology and Metabolism; Istanbul Turkey
9. Department of Internal Medicine; Division of Endocrinology and Metabolism; Hacettepe University School of Medicine; Ankara Turkey