1. Koç University Faculty of Medicine, Department of Pediatric Endocrinology and Diabetes, İstanbul, Turkey

2. Gazi University Faculty of Medicine, Department of Pediatrics, Division of Pediatric Gastroenterology, Ankara, Turkey

3. Ege University Faculty of Medicine, Department of Pediatric Endocrinology, İzmir, Turkey

4. Ege University Faculty of Medicine, Department of Pediatric Gastroenterology, İzmir, Turkey

5. University of Health Sciences Turkey, Ankara Dr. Sami Ulus Obstetrics and Gynecology and Pediatrics Training and Research Hospital, Clinic of Pediatric Endocrinology, Ankara, Turkey

6. Ankara University Faculty of Medicine, Department of Pediatrics, Division of Pediatric Gastroenterology, Ankara, Turkey

7. Fırat University Faculty of Medicine, Department of Pediatric Gastroenterology, Elazığ, Turkey

8. Ankara University Faculty of Medicine, Department of Pediatric Endocrinology, Ankara, Turkey

9. Koç University Hospital, Department of Pediatric Gastroenterology, İstanbul, Turkey

10. Ankara University Faculty of Health Sciences, Department of Nutrition and Dietetics, Ankara, Turkey

11. İstanbul University-Cerrahpaşa, Cerrahpaşa Faculty of Medicine, Department of Pediatric Gastroenterology, Hepatology, and Nutrition, İstanbul, Turkey

12. University of Health Sciences Turkey, Gazi Yaşargil Training and Research Hospital, Clinic of Pediatric Endocrinology, Diyarbakır, Turkey

13. Gazi University Faculty of Medicine, Department of Pediatric Endocrinology and Diabetes, Ankara, Turkey

14. Marmara University Faculty of Medicine, Department of Pediatric Gastroenterology, Hepatology and Nutrition, İstanbul, Turkey

15. İstanbul University-Cerrahpaşa, Cerrahpaşa Faculty of Medicine, Department of Pediatrics, Division of Pediatric Endocrinology, İstanbul, Turkey

16. İstanbul University, İstanbul Faculty of Medicine, Department of Nutrition and Dietetics, İstanbul, Turkey

17. Koç University Faculty of Medicine, Department of Pathology, İstanbul, Turkey

18. Süleyman Demirel University Faculty of Medicine, Department of Pediatric Gastroenterology, Hepatology and Nutrition, Isparta, Turkey

19. Trakya University Faculty of Medicine, Department of Pediatrics, Division of Pediatric Endocrinology, Edirne, Turkey

20. İstanbul University, İstanbul Faculty of Medicine, Department of Pediatric Endocrinology, İstanbul, Turkey

21. Memorial Ataşehir/Bahçelievler Hospitals, Clinic of Pediatric Gastroenterology, Hepatology and Nutrition, İstanbul, Turkey