1. Department of Pediatric Surgery, Children’s Hospital Zagreb, Ulica Vjekoslava Klaića 16, 10000 Zagreb, Croatia
2. School of Medicine, University of Zagreb, Šalata 3, 10000 Zagreb, Croatia
3. Scientific Centre of Excellence for Reproductive and Regenerative Medicine, School of Medicine, University of Zagreb, Šalata 3, 10000 Zagreb, Croatia
4. Day Surgery Unit, Children’s Hospital Zagreb, Ulica Vjekoslava Klaića 16, 10000 Zagreb, Croatia
5. Department of Surgery, General Hospital Karlovac, Ulica Andrije Štampara 3, 47000 Karlovac, Croatia
6. Department of Anesthesiology, Reanimatology and Intensive Care Medicine, Children’s Hospital Zagreb, Ulica Vjekoslava Klaića 16, 10000 Zagreb, Croatia
7. Department of Pediatric Surgery, University Hospital of Split, Spinčićeva Ulica 1, 21000 Split, Croatia
8. Department of Surgery, School of Medicine, University of Split, Šoltanska Ulica 2a, 21000 Split, Croatia