1 Clinic for General and Interventional Cardiology and Angiology, Heart and Diabetes Center North Rhine-Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany.
2 Institute of Anesthesiology and Pain Therapy, Heart and Diabetes Center North Rhine-Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany.
3 Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland. Electronic address: gabor.erdoes@insel.ch.
4 Department of Anesthesiology and Critical Care Division, Montreal Heart Institute, Université de Montreal, Montreal, Quebec, Canada.