1. Third Pediatric Discipline, Mother and Child Department, ‘Iuliu Hațieganu’ University of Medicine and Pharmacy, 400394 Cluj‑Napoca, Romania
2. Second Medical Department, ‘Iuliu Hațieganu’ University of Medicine and Pharmacy, 400000 Cluj‑Napoca, Romania
3. Gastroenterology Department, Second Medical Clinic, Emergency Clinical County Hospital, 400000 Cluj‑Napoca, Romania
4. Department of Radiology, Clinical Emergency Hospital for Children, 400394 Cluj‑Napoca, Romania
5. Third Medical Department, ‘Iuliu Hațieganu’ University of Medicine and Pharmacy, 400162 Cluj‑Napoca, Romania
6. Third Pediatric Department, Clinical Emergency Hospital for Children, 400394 Cluj‑Napoca, Romania