1. Department of Forensic Sciences, Section of Forensic Toxicology, Oslo University Hospital, PO Box 4950 Nydalen, N-0424 Oslo, Norway
2. Department of Forensic Sciences, Section of Forensic Pathology and Clinical Forensic Medicine, Oslo University Hospital, PO Box 4950 Nydalen, N-0424 Oslo, Norway
3. Institute of Clinical Medicine, University of Oslo, PO Box 1171 Blindern, N-0318 OSLO, Norway
4. Department of Mental Disorders, Norwegian Institute of Public Health, PO Box 4404 Nydalen, N-0403 OSLO, Norway
5. Norwegian Institute of Public Health, PO Box 4404 Nydalen, N-0403 OSLO, Norway
6. School of Pharmacy, University of Oslo, PO Box 1068 Blindern, N-0316 Oslo, Norway