1. St James University Hospital; Ward 64; Beckett Street Leeds West Yorkshire UK LS9 7TF
2. c/o Clinical Trials Research Unit; 17 Springfield Mount Leeds UK LS2 9NG
3. University of Leeds; School of Healthcare; Baines Wing Leeds UK LS2 9UT
4. Leeds Teaching Hospitals NHS Trust; c/o 2nd Floor Stable Block, Old Trust HQ Leeds General Infirmary, Great George St Leeds UK LS1 3EX