1. Department of Cardiothoracic and Vascular Surgery, Aarhus University Hospital, Skejby, Aarhus, Denmark
2. Department of Clinical Medicine, Aarhus University Hospital, Skejby, Aarhus, Denmark
3. Department of Engineering, Faculty of Science and Technology, Aarhus University, Aarhus, Denmark
4. Department of Cardiothoracic Surgery, University Hospital of Copenhagen, Rigshospitalet, Copenhagen, Denmark