1. Department of Medical Genetics, St Mary’s Hospital Manchester, UK
2. Foundation for the Detection of Hereditary Tumours, Leiden, The Netherlands
3. FrauenKlinik der Heinrich-Heine-Universitat, Dusseldorf, Germany
4. Wessex Regional Genetics Service, Southampton, UK
5. Division of Medical and Molecular Genetics, Guy’s Hospital, London, UK
6. Unit of Medical Genetics, Norwegian Radium Hospital, Oslo, Norway
7. Department of Medical Genetics, Belfast City Hospital, Belfast, UK
8. Unité de Génétique Oncologique, Institut Curie, Paris, France
9. Department of Medical Genetics, University of Aberdeen, Foresterhill, Aberdeen, UK