1. NORMENT Division of Mental Health and Addiction Oslo University Hospital & Institute of Clinical Medicine University of Oslo Oslo Norway
2. Departments of Psychiatry and Clinical Research Ostfold Hospital Gralum Norway
3. Department of Biostatistics Institute of Basic Medical Sciences University of Oslo Oslo Norway
4. Department of Adult Psychiatry Institute of Clinical Medicine University of Oslo Oslo Norway
5. Centre of Research and Education in Forensic Psychiatry Oslo University Hospital Oslo Norway