[1] GEN INFIRM,DEPT DERMATOL,LEEDS LS1 3EX,W YORKSHIRE,ENGLAND
[2] GEN INFIRM,DEPT HAEMATOL,LEEDS LS1 3EX,W YORKSHIRE,ENGLAND
[3] GEN INFIRM,DEPT PATHOL,CTR CLIN EPIDEMIOL,LEUKAEMIA RES FUND,LEEDS LS1 3EX,W YORKSHIRE,ENGLAND
[4] ST JAMES UNIV HOSP,DEPT MED,LEEDS LS9 7TF,W YORKSHIRE,ENGLAND