1. Faculty of Medical and Health Science; University of Copenhagen; Copenhagen Denmark
2. Danish Research Institute for Suicide Prevention; Research Unit; Mental Health Centre Copenhagen; Copenhagen Denmark
3. Department of Mental Health; Johns Hopkins School of Public Health; Baltimore MD USA
4. Institute of Regional Health Research; University of Southern Denmark; Odense Denmark
5. Centre for Suicide Research; University Department of Psychiatry; Oxford University; Oxford UK
6. Department of Anaesthesiology; Copenhagen University Hospital Bispebjerg and Frederiksberg; Copenhagen Denmark
7. Department of Clinical Pharmacology and Clinical Toxicology; Copenhagen University Hospital Bispebjerg and Frederiksberg; Copenhagen Denmark