[1] McGill Univ, Hlth Ctr, Res Inst, Montreal, PQ, Canada
[2] McGill Int TB Ctr, Montreal, PQ, Canada
[3] McGill Univ, Dept Epidemiol Biostat & Occupat Hlth, Montreal, PQ, Canada
[4] McGill Univ, Schulich Lib Phys Sci Life Sci & Engn, Montreal, PQ, Canada
[5] SUNY Stony Brook, Renaissance Sch Med, Stony Brook, NY 11794 USA
[6] Fdn Innovat New Diagnost, Geneva, Switzerland
[7] Heidelberg Univ, Dept Infect Dis, Heidelberg, Germany
[8] Hosp Univ Penn, Dept Radiol Hosp, 3400 Spruce St, Philadelphia, PA 19104 USA