1. Department of Pediatric Surgery, Istanbul Esenyurt Hospital, 34510 Istanbul, Turkey
2. Department of Stem Cell and Tissue Engineering, Health Science Institute, Istinye University Medical School, 34510 Istanbul, Turkey
3. Department of Pediatric Surgery, Medical Faculty, Ss. Cyril and Methodius University of Skopje, 1020 Skopje, North Macedonia
4. Department of Pediatric Surgery, AO GK MEDSI, 102151 Moscow, Russia