[1] UNIV DUNDEE,INST MED SCI,DEPT PHYSIOL & ANAT,CRC CELL STRUCT RES GRP,DUNDEE DD1 4HN,SCOTLAND
[2] UNITED MED & DENT SCH GUYS & ST THOMASS HOSP,ST THOMAS HOSP,ST JOHNS INST DERMATOL,LONDON SE1 7EH,ENGLAND
[3] ROYAL LONDON HOSP,COLL MED,EXPTL DERMATOL LABS,LONDON E1 1BB,ENGLAND