1. AutoTissue Ltd., Berlin, Germany.
2. Department of Cardiovascular Surgery, Charité, Berlin, Germany.
3. Robert Koch-Institut, Berlin, Germany.
4. Department of Nephrology, University of Essen Medical School, Essen, Germany.
5. Leibniz-Institute for Arteriosclerosis Research, Mu¨nster, Germany.
6. Institute for Transfusion Medicine, Tissue Bank, Charité, Berlin, Germany.