| Centres by recruitment total |
| 22 participants at Nottingham University Hospitals NHS Trust ; Nottingham ; United Kingdom |
| 10 participants at York Hospitals NHS Foundation Trust ; York ; United Kingdom |
| 9 participants at Royal Cornwall Hospitals NHS Trust ; Truro, Cornwall ; United Kingdom |
| 6 participants at Newcastle-Upon-Tyne Hospitals NHS Foundation Trust ; Newcastle-Upon-Tyne ; United Kingdom |
| 6 participants at Ryl Bournemouth & Christchurch Hosps NHS Fnd Trust ; Bournemouth ; United Kingdom |
| 6 participants at Aberdeen Royal Infirmary ; Aberdeen ; United Kingdom |
| 5 participants at Aintree Hospitals NHS Foundation Trust ; Liverpool ; United Kingdom |
| 3 participants at Yeovil District Hospital NHS Foundation Trust ; Somerset ; United Kingdom |
| 3 participants at Mid Cheshire Hospitals NHS Foundation Trust ; Cheshire ; United Kingdom |
| 2 participants at Chesterfield Royal Hospital NHS Foundation Trust ; Derbyshire ; United Kingdom |
| 2 participants at North Tees and Hartlepool NHS Foundation Trust ; Stockton-on-Tees ; United Kingdom |
| 2 participants at Birmingham Heartlands & Solihull Hosps. NHS Trust ; West Midlands ; United Kingdom |
| 1 participant at Doncaster & Bassetlaw Hosps. NHS Foundation Trust ; Notts. ; United Kingdom |
| 1 participant at QEQM Hospital, Margate ; Kent ; United Kingdom |
| 1 participant at Scarborough General Hospital ; Scarborough, North Yorkshire ; United Kingdom |
| 1 participant at WCUH NHS Trust (West Cumberland Hospital) ; Cumbria ; United Kingdom |
| 1 participant at Raigmore Hospital ; Inverness ; United Kingdom |
| 1 participant at South Tyneside NHS Foundation Trust ; Tyne & Wear ; United Kingdom |
| 1 participant at Bradford Teaching Hospitals NHS Foundation Trust ; Bradford ; United Kingdom |