1. Department of Pathology; University of Heidelberg; Heidelberg Germany
2. Institute of Molecular Pathology; Trier Germany
3. Department of Orthopedics and Trauma surgery; University Bonn; Bonn Germany
4. Institute of Experimental Haematology and Transfusion Medicine; University Bonn; Bonn Germany
5. Bruker Daltonik GmbH; Bremen Germany