[1] Univ Manitoba, Dept Internal Med, Sect Cardiol, Winnipeg, MB, Canada
[2] Univ Manitoba, St Boniface Hosp, Inst Cardiovasc Sci, Winnipeg, MB, Canada
[3] Univ Manitoba, Dept Radiol, Winnipeg, MB, Canada
[4] Univ Manitoba, Rady Fac Hlth Sci, St Boniface Hosp, Max Rady Coll Med,Bergen Cardiac Care Ctr,Dept Int, Rm Y3531, 409 Tache Ave, Winnipeg, MB R2H 2A6, Canada