From the *Department of Internal Medicine,
†Section of Cardiology, Department of Internal Medicine, and Departments of
§Physiology and Pathophysiology, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.
The authors declare no conflict of interest.
Correspondence: Clarence Khoo, MD, FRCPC, St Boniface General Hospital, 409 Tache Ave, Winnipeg, Manitoba, Canada R2H 2A6. E-mail: firstname.lastname@example.org.