1. Division of Psychiatry UCL London UK
2. Camden and Islington NHS Foundation Trust St. Pancras Hospital London UK
3. College of Social Work University of Kentucky Lexington Kentucky USA
4. Danish Research Institute for Suicide Prevention Psychiatric Centre Copenhagen Copenhagen Denmark
5. Copenhagen Research Centre for Mental Health, Mental Health Center Copenhagen Mental Health Services Copenhagen Denmark
6. Department of Mental Health Johns Hopkins School of Public Health Hampton Maryland USA
7. Centre for Mental Health Research The Australian National University Canberra Australia