[1] MIDDLESEX SCH MED, LONDON, ENGLAND
[2] ST BARTHOLOMEWS HOSP, LONDON EC1A 7BE, ENGLAND
[3] ST MARKS HOSP, LONDON EC1V 2PS, ENGLAND
[4] ST MARYS HOSP, VIROL, LONDON, ENGLAND
[5] ROYAL NAVAL HOSP, HASLAR, HANTS, ENGLAND
[6] WESTMINSTER HOSP, LONDON SW1P 2AP, ENGLAND
[7] ST STEPHENS HOSP, LONDON SW10 9TH, ENGLAND
[8] GEN INFIRM, LEEDS LS1 3EX, W YORKSHIRE, ENGLAND
[9] BROMPTON HOSP, LONDON SW3 6HP, ENGLAND
[10] UNIV BIRMINGHAM, DEPT MED MICROBIOL, BIRMINGHAM B15 2TT, W MIDLANDS, ENGLAND
[11] BRISTOL ROYAL INFIRM, BRISTOL BS2 8HW, AVON, ENGLAND