1. Department of Forensic Medicine; University of Aarhus; Palle Juul-Jensens Boulevard 99 DK-8200 Arhus N Denmark
2. Department of Internal Medicine; Regional Hospital West Jutland; Gl. Landevej 61 DK-7400 Herning Denmark
3. Institute of Pathology; Aarhus University Hospital; Noerrebrogade 44 DK-8000 Aarhus Denmark
4. Department of Orthopaedics; Copenhagen University Hospital Gentofte; Kildegaardsvej 28 DK-2900 Hellerup Denmark