[1] Univ Calgary, Cumming Sch Med, Res & Innovat Ctr W21C, Calgary, AB, Canada
[2] Alberta Hlth Serv, Human Factors, Calgary, AB, Canada
[3] Alberta Hlth Serv, Infect Prevent & Control, Edmonton, AB, Canada
[4] Univ Alberta, Fac Med & Dent, Dept Med, Edmonton, AB, Canada
[5] Univ Calgary, Cumming Sch Med, Dept Med, Calgary, AB, Canada
[6] Univ Calgary, Dept Community Hlth Sci, Calgary, AB, Canada
[7] OBrien Inst Publ Hlth, Calgary, AB, Canada
[8] Univ Calgary, Cumming Sch Med, Dept Microbiol Immunol & Infect Dis, Calgary, AB, Canada
[9] Univ Calgary, Cumming Sch Med, Dept Pathol & Lab Med, Calgary, AB, Canada