1. Department of Cardiovascular Surgery German Heart Center Munich, Technische Universität München Munich Germany
2. Department of Cardiovascular Surgery Insure (Institute of Translational Cardiac Surgery), German Heart Center Munich, Technische Universität München Munich Germany
3. Clinic for Thoracic and Cardiovascular Surgery Heart and Diabetes Centre North Rhine Westphalia Bad Oeynhausen Germany
4. Department of Anaesthesiology German Heart Center Munich, Technische Universität München Munich Germany