[1] Ottawa Hosp, Res Inst, Ottawa, ON, Canada
[2] Univ Ottawa, Ottawa, ON, Canada
[3] Ottawa Hosp, Dept Med, Div Respirol, Ottawa, ON, Canada
[4] Ottawa Hosp, Dept Med, Div Infect Dis, Ottawa, ON, Canada
[5] Univ Manitoba, Winnipeg, MB, Canada
[6] Queens Univ, Dept Med, Div Infect Dis, Kingston, ON K7L 3N6, Canada
[7] British Columbia Ctr Dis Control, TB Serv Aboriginal Commun, Div TB Control, Vancouver, BC, Canada
[8] Univ Alberta, Dept Med, TB Program Evaluat & Res Unit, Edmonton, AB, Canada