1. Department of Chemical Pathology, Duthie Building, Southampton General Hospital, Tremona Road, Southampton SO16 6YD
2. Leeds General Infirmary, St George Street, Leeds LS1 3EX
3. Luton & Dunstable Hospital, Lewsey Road, Luton, Bedfordshire LU4 0DZ
4. St Batholomew's Hospital, West Smithfield, London EC1A 7BE
5. Royal Victoria Hospital, Grosvenor Road, Belfast BT12 6BA, UK