1. Department of Paediatric Endocrinology, Balıkesir Atatürk City Hospital, Balıkesir, Turkey
2. Department of Paediatric Surgery, Bursa Uludağ University, Bursa, Turkey
3. Department of Pathology, Bursa Uludağ University, Bursa, Turkey
4. Department of Paediatrics, Balıkesir Atatürk City Hospital, Balıkesir, Turkey
5. Department of Paediatric Endocrinology, Bursa Uludağ University, Bursa, Turkey