1. Consultant Psychiatrist, St. Andrew's Hospital, Northampton NN1 5DG
2. Research Assistant, Centre for Suicide Research, Department of Psychiatry, Warneford Hospital, Oxford OX3 7JX
3. Researcher and Co-ordinator, Centre for Suicide Research, Department of Psychiatry, Warneford Hospital, Oxford OX3 7JX
4. Professor of Epidemiology, Department of Social Medicine, University of Bristol, Bristol BS8 2PR
5. Senior Lecturer, Centre for Suicide Prevention, Williamson Building, University of Manchester, Manchester M13 9PL
6. Consultant Psychiatrist, Cossham Hospital, Lodge Road, Bristol BS15 1LF
7. Professor, Centre for Suicide Research, Department of Psychiatry, Warneford Hospital, Oxford OX3 7JX