1. King's College Hospital; London UK
2. University Hospital Lewisham; London UK
3. University of Exeter; Exeter UK
4. Medway Maritime Hospital; Gillingham UK
5. Homerton University Hospital; London UK
6. North Middlesex University Hospital; London UK
7. Southend University Hospital; Essex UK
8. Royal London Hospital; London UK
9. University College London Comprehensive Clinical Trials Unit; London UK
10. Kings College London; London UK