[1] LAMBETH LEWISHAM & SOUTHWARK HLTH COMMISS,DEPT HLTH POLICY & PUBL HLTH,LONDON SE1 7NT,ENGLAND
[2] CITY HOSP NHS TRUST,HOSP INFECT RES LAB,BIRMINGHAM,W MIDLANDS,ENGLAND
[3] DULWICH PUBL HLTH LAB,LONDON,ENGLAND
[4] UNIV LONDON KINGS COLL,SCH MED & DENT,DEPT MED MICROBIOL,LONDON WC2R 2LS,ENGLAND
[5] CENT PUBL HLTH LAB,HOSP INFECT LAB,LONDON NW9 5HT,ENGLAND
[6] GEN HOSP KETTERING,DEPT PATHOL,KETTERING,ENGLAND
[7] HARROW HILLINGDON HLTH CARE NHS TRUST,HARROW,MIDDX,ENGLAND
[8] LONDON HOSP,COLL MED,DEPT MED MICROBIOL,LONDON E1 1BB,ENGLAND
[9] ST JAMES HOSP,DEPT CLIN MICROBIOL,DUBLIN 8,IRELAND
[10] PURLEY VIEW NURSING HOME,PURLEY,SURREY,ENGLAND
[11] UNITED MED & DENT SCH,ST THOMAS HOSP,DEPT MICROBIOL,LONDON,ENGLAND
[12] CHARING CROSS & WESTMINSTER MED SCH,LONDON,ENGLAND
[13] LONDON HOSP,COLL MED,DEPT MED MICROBIOL,LONDON E1 1BB,ENGLAND