1 Department of Anesthesiology, Perioperative and Pain Medicine and Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Canada.
2 Department of Biomedical Engineering, University of Calgary, Calgary, Canada.
3 Department of Cardiac Sciences and Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Canada.
4 Department of Anesthesiology, Perioperative and Pain Medicine, Cumming School of Medicine, University of Calgary, Calgary, Canada.