1 Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Department of Cardiovascular Surgery, Berlin, Germany.
2 German Heart Center Berlin, Department of Cardiothoracic and Vascular Surgery, Berlin, Germany.
3 German Center for Cardiovascular Research, Partner Site, Berlin, Germany.
4 Swiss Federal Institute of Technology (ETH) Zurich, Department of Health Science and Technology, Zurich, Switzerland.