[1] Univ Geneva, Geneva, Switzerland
[2] Emory Univ, Rollins Sch Publ Hlth, Dept Int Hlth, Atlanta, GA 30322 USA
[3] Emory Univ, Sch Med, Div Infect Dis, Atlanta, GA 30322 USA
[4] Univ Witwatersrand, NICD, MRC, Resp & Meningeal Pathogens Res Unit, Johannesburg, South Africa
[5] Mt Sinai Hosp, Dept Microbiol & Pathol, Toronto, ON M5G 1X5, Canada
[6] Univ Toronto, Toronto, ON M5G 1X5, Canada
[7] Univ Penn, Sch Med, Philadelphia, PA 19104 USA
[8] VA Med Ctr, Philadelphia, PA 19104 USA
[9] Univ Marrakech, Marrakech, Morocco
[10] Univ Montreal, Fac Med, Hop Maison Neuve Rosemont, Montreal, PQ H1T 2M4, Canada