[1] Emory Univ, Sch Med, Rollins Sch Publ Hlth, Dept Global Hlth, Atlanta, GA 30322 USA
[2] Emory Univ, Sch Med, Div Infect Dis, Atlanta, GA 30322 USA
[3] Haverford Coll, Dept Biol, Haverford, PA 19041 USA
[4] Univ Witwatersrand, Natl Res Inst Communicable Dis, MRC, Resp & Meningeal Pathogens Res Unit, Johannesburg, South Africa
[5] Aga Khan Univ, Dept Paediat & Child Hlth, Karachi 74800, Pakistan
[6] Natl Hlth Lab Serv, Dept Clin Microbiol & Infect Dis, Houghton, Gauteng, South Africa
[7] Wits Sch Pathol, Houghton, Gauteng, South Africa
[8] WHO, Dept Communicable Dis Surveillance & Response, CH-1211 Geneva, Switzerland
[9] Brigham & Womens Hosp, Dept Med, Boston, MA 02115 USA
[10] Brigham & Womens Hosp, WHO, Collaborating Ctr Surveillance Antimicrobial Resi, Boston, MA 02115 USA
[11] Harvard Univ, Sch Med, Boston, MA 02115 USA
[12] Rockefeller Fdn, New York, NY USA
[13] Resources Future Inc, Energy & Nat Resources Div, Washington, DC 20036 USA