[1] Univ Calgary, Calgary, AB, Canada
[2] Libin Cardiovasc Inst, Calgary, AB, Canada
[3] Royal Alexandra Hosp, Edmonton, AB, Canada
[4] Univ Alberta, Edmonton, AB, Canada
[5] McMaster Univ, Hamilton Hlth Sci, Hamilton, ON, Canada
[6] Univ Waterloo, Waterloo, ON N2L 3G1, Canada
[7] Ctr Hosp Reg Lanaudiere, Quebec City, PQ, Canada
[8] Univ Laval, Quebec City, PQ, Canada
[9] Inst Univ Cardiol & Pneumol Quebec, Quebec City, PQ, Canada
[10] Univ Toronto, St Michaels Hosp, Toronto, ON, Canada
[11] Inst Cardiol Montreal, Montreal, PQ, Canada
[12] Univ Toronto, Toronto, ON, Canada
[13] CHU Sherbrooke, Fleurimont, PQ, Canada
[14] Univ Toronto, Univ Hlth Network, Toronto, ON, Canada
[15] Dalhousie Univ, QE Hlth Sci Ctr 2, Halifax, NS, Canada
[16] Royal Jubilee Hosp, Victoria, BC, Canada
[17] Univ British Columbia, Vancouver, BC V5Z 1M9, Canada
[18] St Boniface Gen Hosp, Winnipeg, MB R2H 2A6, Canada