1. Division of Cancer and Genetics, Cardiff University School of Medicine, Cardiff, UK
2. University of Exeter Medical School, Exeter, UK
3. School of Social and Community Medicine, Bristol, UK
4. Clinical Ethics and Law, Faculty of Medicine, University of Southampton, UK
5. School of Law, University of Exeter, Exeter, UK
6. Peninsula Clinical Genetics Service, Royal Devon & Exeter Hospital, Exeter, UK
7. Department of Sociology and Philosophy, University of Exeter, Exeter, UK