Timing Of Primary Surgery for cleft palate trial clinical sites
| Country | Sites |
| Brazil | University of São Paulo (HRAC Bauru) |
| Denmark | Copenhagen Cleft Palate Centre, Copenhagen Århus Speech and Hearing Institute, Århus |
| Norway | Oslo University Hospital, Oslo |
| Helse Bergen HF, Bergen | |
| Sweden | Malmö University Hospital, Malmö |
| Gothenburg University, Gothenburg | |
| Karolinska University Hospital, Stockholm | |
| University of Linköping, Linköping | |
| Umeå University, Umeå | |
| Uppsala University, Uppsala | |
| UK | Royal Manchester Children’s Hospital, Manchester |
| Alder Hey Children’s NHS Foundation Trust, Liverpool | |
| Royal Belfast Hospital for Sick Children, Belfast | |
| Birmingham Children’s Hospital, Birmingham | |
| Royal Victoria Infirmary, Newcastle | |
| University Hospitals Bristol NHS Foundation Trust, Bristol | |
| Morriston Hospital, Abertawe Bro Morgannwg University Hospital Board, Swansea | |
| Leeds General Infirmary, Leeds | |
| Royal Hospital for Children, Glasgow | |
| Royal Hospital for Sick Children, Edinburgh | |
| Salisbury NHS Foundation Trust, Salisbury | |
| The Children’s Hospital, John Radcliffe Hospital, Oxford |