1. Department of Pediatric Surgery, Faculty of Medicine, Hacettepe University, Ankara, Turkiye
2. Department of Pediatric Surgery, Hôpital Bicêtre APHP, Paris Saclay University, Paris, France
3. Department of Pediatric Surgery, Amsterdam UMC, University of Amsterdam & Vrije Universiteit, Amsterdam, Noord-Holland, The Netherlands
4. Department of Pediatric Surgery, Hospital La Paz, Madrid, Spain
5. Centre of Pediatric Surgery, Hannover Medical School and "Auf der Bult" Children's Hospital Hannover, Hannover, Germany
6. Department of Pediatric Surgery, "F. Del Ponte Hospital" ASST Settelaghi, Varese, Italy
7. Department of Pediatric Surgery, AP-HM, Marseille, Provence-Alpes-Côte d'Azur, France
8. Division of General and Thoracic Surgery, The Hospital for Sick Children, Toronto, Ontario, Canada
9. Department of Pediatric Surgery, Riga Stradins University & Children's Clinical University Hospital, Riga, Latvia
10. University Surgery Unit, Faculty of Medicine, University of Southampton, Southampton, United Kingdom