1. Department of Cardiothoracic Surgery; University of Muenster; Albert-Schweitzer-Str. 33 D-48129 Muenster Germany
2. Department of Cardiology and Angiology; University of Muenster; Albert-Schweitzer-Str. 33 D-48129 Muenster Germany
3. Institute for Arteriosclerosis Research; University of Muenster; Domagkstr. 3 D-48149 Muenster Germany
4. Gerhard-Domagk-Institute of Pathology; University of Muenster; Domagkstr. 17 D-48149 Muenster Germany
5. Institute for Clinical Chemistry and Laboratory Medicine; University of Muenster; Albert-Schweitzer-Str. 33 D-48129 Muenster Germany
6. Department of Internal Medicine - Cardiology; University of Cologne; Cologne Germany
7. Muenster University Transplant Center; Muenster University; Muenster Germany
8. Columbia University, College of Physicians and Surgeons; New York NY USA