[1] E BIRMINGHAM HOSP,SUPRAREG SPECIF PROT REFERENCE UNIT,BIRMINGHAM B9 5ST,W MIDLANDS,ENGLAND
[2] CARDIFF ROYAL INFIRM,SUPRAREG SPECIF PROT REFERENCE UNIT,CARDIFF CF2 1SZ,S GLAM,WALES
[3] WESTMINSTER HOSP,SUPRAREG SPECIF PROT REFERENCE UNIT,LONDON SW1P 2AP,ENGLAND
[4] BRISTOL ROYAL INFIRM,DEPT CHEM PATHOL,BRISTOL BS2 8HW,AVON,ENGLAND