1. Departments of Surgery and Urology IWK Health Dalhousie University Halifax Nova Scotia Canada
2. Department of Pediatric Surgery Princess Maxima Center for Pediatric Oncology Utrecht Netherlands
3. Division of Pediatric General and Thoracic Surgery University of Pittsburgh Medical Center Children's Hospital of Pittsburgh Pittsburgh Pennsylvania USA
4. Department of Visceral and Neonatal Pediatric Surgery Sorbonne Université, Armand‐Trousseau Hospital – APHP Paris France
5. Division of Pediatric General and Thoracic Surgery Seattle Children's Hospital University of Washington Seattle Washington USA
6. Department of Surgery King Hussein Cancer Foundation and Center Amman Jordan
7. Department of Pediatric Surgery Fondazione IRCCS Istituto Nazionale Dei Tumori Milan Italy
8. Department of Surgery St. Jude Children's Research Hospital Memphis Tennessee USA
9. Department of Pediatric Surgery Birmingham Women's and Children's Hospital Birmingham UK