1 Department of Surgery, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada; Cardiac Sciences Program, Winnipeg Regional Health Authority, Winnipeg, Manitoba, Canada; Department of Anesthesia, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada. Electronic address: rmanji@sbgh.mb.ca.
2 Cardiac Sciences Program, Winnipeg Regional Health Authority, Winnipeg, Manitoba, Canada; Department of Anesthesia, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada.
3 Department of Surgery, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada; Cardiac Sciences Program, Winnipeg Regional Health Authority, Winnipeg, Manitoba, Canada.