Institution: | 1. Reproductive Epidemiology, University of Leeds, UK;2. Institute of Medical Genetics, Yorkhill, Glasgow, UK;3. Clinical Genetics and Clinical Biochemistry, Cambridge, UK;4. Clinical Chemistry, Royal Infirmary, Bolton, UK;5. Clinical Biochemistry, Harold Wood Hospital, Romford, UK;6. West Midlands Antenatal Serum Screening Service, Birmingham, UK;7. Members of the Group are: Dr David Aitken, Mr Andy Ellis, Dr David Worthington, Dr Brian Senior, Dr Kevin Spencer, Ms Sue Standing, Dr Rhys John, Dr Rick Jones, Dr Gwyn McCreanor, Dr Barry Nix, Prof. Chris Price (chair), Dr Sue Halliday, Ms Jane Hibbert and Mrs Pat Ward |