1. Department of Cardiology and Angiology, University Hospital Bergmannsheil, Ruhr University Bochum, Bochum, Germany.
2. Division of Cardiology and Emergency Medicine, Department of Medicine, Knappschaft University Hospital, Ruhr University Bochum, Bochum, Germany.
3. Department of Internal and Integrative Medicine, Evang. Kliniken Essen-Mitte, Faculty of Medicine, University of Duisburg-Essen, Essen, Germany.
4. Department of Cardiothoracic Surgery, University Hospital Bergmannsheil, Ruhr University Bochum, Bochum, Germany.
5. Department of Anesthesiology, Intensive Care Medicine, Palliative Care Medicine and Pain Management, University Hospital Bergmannsheil, Ruhr University Bochum, Bochum, Germany.