1. Trent Regional Cleft Centre, Nottingham, United Kingdom.
2. North Bristol NHS Trust, Bristol, United Kingdom.
3. North West of England, Isle of Man and North Wales Cleft Network, Central Manchester University Hospitals NHS Foundation Trust, Royal Manchester Children's Hospital, United Kingdom.
4. East of England Cleft Lip and Palate Network, Cambridge, United Kingdom, and Module Coordinator, Post Graduate Certificate in Cleft Palate Studies, Department of Human Communication Sciences, University of Sheffield, Sheffield, United Kingdom.
5. The Spires Cleft Centre, Salisbury and Oxford, United Kingdom.
6. Great Ormond Street Hospital NHS Trust, London, United Kingdom.