1. Drug Control Centre, King's College London, London,
2. Department of Medicine, King's College School of Medicine, London,
3. Clinical Laboratory, Royal Surrey County Hospital, Guildford,
4. Department of Medicine, United Medical and Dental Schools of Guy's and St Thomas's Hospitals, London,
5. Regional Endocrine Unit, Southampton General Hospital, Southampton,
6. Computing Centre, King's College London, London, UK