1. Royal United Hospital; Bath U.K.
2. Bristol Royal Infirmary; Bristol U.K.
3. National Institute for Health Research; Biomedical Research Unit in Nutrition, Diet and Lifestyle; University Hospital Bristol Education Centre; Bristol U.K.
4. South Infirmary Victoria University Hospital; Cork Ireland
5. University Hospital of Wales; Cardiff U.K.
6. Oxford University Hospitals; Oxford U.K.
7. Ninewells Hospital; Dundee U.K.
8. Sheffield Teaching Hospitals NHS Trust; Sheffield U.K.
9. Leicester Royal Infirmary; Leicester U.K.
10. Singleton Hospital; Swansea U.K.
11. East Kent Hospitals; Canterbury U.K.
12. Royal Gwent Hospital; Newport U.K.
13. Sandwell & West Birmingham Hospitals; Birmingham U.K.
14. Leeds Teaching Hospitals NHS Trust; Leeds U.K.