1. Department of Pediatric Gastroenterology Hepatology and Nutrition, Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey.
2. Department of Pediatric Allergy and Immunology, Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey.
3. Department of Pediatrics, Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey.
4. Department of Pediatric Hematology, Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey.
5. Department of Medical Genetics, Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey.