[1] Univ Cape Town, Dept Chem, ZA-7701 Rondebosch, South Africa
[2] Univ Cape Town, Inst Infect Dis & Mol Med, ZA-7701 Rondebosch, South Africa
[3] Univ Cape Town, Drug Discovery & Dev Ctr H3D, ZA-7701 Rondebosch, South Africa
[4] Univ Cape Town, Fac Hlth Sci, SAMRC NHLS UCT Mol Mycobacteriol Res Unit, DST NRF Ctr Excellence Biomed TB Res,Dept Pathol, ZA-7701 Rondebosch, South Africa
[5] Univ Cape Town, Fac Hlth Sci, Inst Infect Dis & Mol Med, ZA-7701 Rondebosch, South Africa
[6] Univ Cape Town, Wellcome Ctr Infect Dis Res Africa, ZA-7701 Rondebosch, South Africa
[7] Univ Cape Town, South African Med Res Council, Drug Discovery & Dev Res Unit, ZA-7701 Rondebosch, South Africa
[8] Columbia Univ, Dept Microbiol & Immunol, Irving Med Ctr, Hammer Hlth Sci Ctr 1502, New York, NY 10032 USA