1. National Institutes of Health National Institute of Diabetes and Digestive and Kidney Diseases Diabetes, Endocrine and Obesity Branch Bethesda, Maryland
2. Department of Endocrinology and Metabolism Ministry of Health Ankara Numune Research and Training Hospital Ankara, Turkey
3. Department of Pathology Ministry of Health Ankara Numune Research and Training Hospital Ankara, Turkey
4. Department of Radiology Ministry of Health Ankara Numune Research and Training Hospital Ankara, Turkey
5. Department of Endocrinology and Metabolism Hitit University Faculty of Medicine Corum, Turkey