1. Department of Cardiology and Angiology; Campus Charité Mitte, Charité - University Medicine Berlin; Berlin Germany
2. Department of Internal Medicine; Bundeswehrkrankenhaus; Berlin Germany
3. Department of Cardiothoracic Surgery; Campus Charité Mitte, Charité - University Medicine Berlin; Berlin Germany
4. Department of Anesthesiology and Critical Care Medicine; Campus Charité Mitte and Virchow Klinikum, Charité - University Medicine Berlin; Berlin Germany