1. Deparment of Cardiac Surgery, University Hospital Basel, Basel, Switzerland
2. Institute for Molecular Medicine and Cell Research, University of Freiburg, Freiburg, Germany
3. Institute of Surgical Pathology, University Medical Center Freiburg, Freiburg, Germany
4. Department of Cardiovascular Surgery, Heart Centre Freiburg University, Freiburg, Germany
5. BIOSS Centre for Biological Signaling Studies, University of Freiburg, Freiburg, Germany