[1] Vancouver Coastal Hlth, Infect Prevent & Control, Vancouver, BC, Canada
[2] Univ Manitoba, Dept Med Microbiol, Winnipeg, MB, Canada
[3] Univ Manitoba, Dept Pediat & Child Hlth, Winnipeg, MB R3T 2N2, Canada
[4] Hop Hotel Dieu, Infect Prevent & Control Kingston Gen Hosp, Kingston, ON, Canada
[5] Queens Univ, Dept Med Biomed & Mol Sci, Kingston, ON, Canada
[6] Queens Univ, Dept Pathol & Mol Med, Kingston, ON K7L 3N6, Canada
[7] Capital Dist Hlth Author, Halifax, NS, Canada
[8] Dalhousie Univ, Halifax, NS, Canada
[9] North York Gen Hosp, Infect Prevent & Control Program, Toronto, ON, Canada
[10] Univ Toronto, Dept Lab Med & Pathobiol, Toronto, ON, Canada
[11] Mt Sinai Hosp, Toronto, ON M5G 1X5, Canada
[12] McGill Univ, Montreal Childrens Hosp, Ctr Hlth, Montreal, PQ H3H 1P3, Canada
[13] Ottawa Hosp, Div Infect Dis, Infect Prevent & Control Program, Ottawa, ON, Canada
[14] Univ Ottawa, Dept Med, Ottawa, ON, Canada
[15] Sunnybrook Hlth Sci Ctr, Dept Microbiol, Toronto, ON M4N 3M5, Canada
[16] Sunnybrook Hlth Sci Ctr, Toronto, ON M4N 3M5, Canada