[1] Univ Manitoba, Cardiol Sect, Dept Internal Med, Winnipeg, MB R2H 2A6, Canada
[2] Univ Manitoba, Inst Cardiovasc Sci, St Boniface Res Ctr, Winnipeg, MB R2H 2A6, Canada
[3] Univ Manitoba, Sect Oncol, Dept Internal Med, Winnipeg, MB R2H 2A6, Canada
[4] Univ Manitoba, Dept Radiol, Winnipeg, MB R2H 2A6, Canada