List of open sites
| Site Name | Location | Principal Investigator | |
1 | Oxford University Hospitals NHS Foundation Trust, Churchill Hospital | Oxford | Professor Sheraz R Markar |
2 | Imperial College Healthcare NHS Trust, St Mary's Hospital | London | Mr Ahmed Ahmed |
| 3 | University Hospital Southampton NHS Foundation Trust | Southampton | Mr Fergus Noble |
| 4 | Leeds Teaching Hospitals NHS Trust, St James's University Hospital | Leeds | Mr Andy Cockbain |
| 5 | Guy's and St Thomas's NHS Foundation Trust, Guy's and St Thomas's Hospital | London | Mr James Gossage |
| 6 | North Bristol NHS Trust, Southmead Hospital | Bristol | Mr Mark Halls |
| 7 | Gloucestershire Royal Hospitals NHS Foundation Trust | Gloucester | Mr Andrei Ilczyszyn |