1. Institute of Pathology, University Regensburg, 93053 Regensburg, Germany
2. Central Biobank Regensburg, University Regensburg, University Hospital Regensburg, 93053 Regensburg, Germany
3. Department of Trauma Surgery, University Medical Centre Regensburg, 93053 Regensburg, Germany
4. Institute of Pathology, University Medical Centre Mannheim, 68167 Mannheim, Germany