1. Department of Paediatric Surgery, Alder Hey Children's Hospital, Liverpool, Merseyside, United Kingdom of Great Britain and Northern Ireland
2. Department of Children's Surgery, Great North Children's Hospital, Newcastle Upon Tyne, United Kingdom of Great Britain and Northern Ireland
3. Department of Neonatal and Paediatric Surgery, Southampton Children's Hospital, Southampton
4. United Kingdom of Great Britain and Northern Ireland
5. Department of Pediatric Surgery, McMaster Children's Hospital, Hamilton, Ontario, Canada
6. Department of Scientific Affairs, Ethicon Inc, Raritan, New Jersey, United States
7. Department of Scientific Affairs, Ethicon UK, Livingston, United Kingdom of Great Britain and Northern Ireland