1. Department of Pediatric Surgery, Petz Aladar County Teaching Hospital, Gyor, Hungary
2. Department of Pediatrics, University of Pecs, Medical Center, Pecs, Hungary
3. Department of Pathology, University of Pecs, Medical Center, Pecs, Hungary
4. Division of Pediatric Anesthesiology, Department of Anesthesiology, University of Pecs, Medical Center, Pecs, Hungary
5. Diagnostic Center of Pecs, Hungary