1. Clinical Specialist, Endocrinology and Metabolic Diseases Department, Baskent University, 5. Street, Bahcelievler, Ankara, Turkey, fax 90 312 4482335,
2. Clinical Specialist, Endocrinology and Metabolic Diseases Department, Baskent University
3. Associate Professor, Director, Endocrinology and Metabolic Diseases Department, Baskent University