1. Department of Vascular and Endovascular Surgery; University Hospital Heidelberg; Heidelberg Germany
2. Suva/Swiss National Accident Insurance Fund; Lucerne Switzerland
3. Department of Pathology; University Hospital Heidelberg; Heidelberg Germany
4. Department of Pathology; University Medicine Mainz; Mainz Germany
5. Human genetical practice; Heidelberg Germany
6. Department of Neurology; University Hospital Heidelberg; Heidelberg Germany