1. Epsom and St Helier University Hospitals NHS Trust Sutton UK
2. Pennine Acute Hospitals NHS Trust Bury UK
3. University Hospitals Birmingham NHS Foundation Trust Birmingham UK
4. Nottingham University Hospitals NHS Trust Nottingham UK
5. University Hospitals of North Midlands NHS Trust Stoke‐on‐Trent UK
6. St George's University Hospitals NHS Foundation Trust London UK