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• Frimley Health NHS Foundation Trust

• South Tees Hospitals NHS Foundation Trust

• Leeds Teaching Hospitals NHS Trust​

• University Hospitals Birmingham NHS Foundation Trust

• Royal Cornwall Hospitals NHS Trust

• Hampshire Hospitals NHS Foundation Trust

• The Newcastle upon Tyne Hospitals NHS Foundation Trust

• County Durham and Darlington NHS Foundation Trust

• Buckinghamshire Healthcare NHS Trust

• St George's University Hospitals NHS Foundation Trust 

• ​Cambridge University Hospitals NHS Foundation Trust 

• Northumbria Healthcare NHS Foundation Trust

• East and North Hertfordshire NHS Trust

• Hull University Teaching Hospitals NHS Trust

• Oxford University Hospitals NHS Foundation Trust

• NHS Forth Valley

• University Hospitals of Derby and Burton NHS Foundation Trust

• Swansea Bay University Health Board

• Chelsea and Westminster Hospital NHS Foundation Trust

• Queen Victoria Hospital NHS Foundation Trust