1. Department of Forensic Medicine; National Board of Forensic Medicine; PO Box 7616, SE-907 12 Umeå Sweden
2. Section of Forensic Medicine; Department of Community Medicine and Rehabilitation; Umeå University; PO Box 7616, SE-907 12 Umeå Sweden
3. Department of Public Health and Clinical Medicine; Norrlands Universitetssjukhus SE-901 87; Umeå Sweden