1. Sisli Etfal, Education and Research Hospital, Endocrinology Department
2. Istanbul University, Istanbul Medical Faculty, Internal Medicine Department, Diabetes Division
3. Haseki, Education and Research Hospital, Endocrinology Department
4. Kartal, Education and Research Hospital, Endocrinology Department
5. Kocaeli University, Kocaeli Medical Faculty, Pediatrics Department, Metabolism and Endocrinology Division