13 NHS Trusts in England ...
1. Warrington & Halton Hospitals NHS Foundation Trust
2. Pennine Acute Hospitals NHS Trust
3. Royal Free London NHS Foundation Trust
4. Great Ormond Street Hospital for Children NHS Foundation Trust
5. Sheffield Teaching Hospitals NHS Foundation Trust
6. North Cumbria University Hospitals NHS Trust
7. The Hillingdon Hospitals NHS Foundation Trust
8. Barnsley Hospital NHS Foundation Trust
9. Airedale NHS Trust
10. The Christie NHS Foundation Trust
11. Aintree University Hospitals NHS Foundation Trust