1 Department of Cellular and Physiological Sciences, Faculty of Medicine, University of British Columbia, Vancouver, Canada; Cellular and Regenerative Medicine Centre, BC Children's Hospital Research Institute, Vancouver, Vancouver, Canada; Heart Rhythm Services and Center for Cardiovascular Innovation, Division of Cardiology, University of British Columbia, Vancouver, Canada.
2 Department of Biochemistry and Molecular Biology, Life Sciences Institute, University of British Columbia, Vancouver, Canada.
3 Heart Rhythm Services and Center for Cardiovascular Innovation, Division of Cardiology, University of British Columbia, Vancouver, Canada; Centre for Heart Lung Innovation, University of British Columbia, Vancouver, Canada. Electronic address: zlaksman@mail.ubc.ca.