[1] Univ N Carolina, Gillings Sch Global Publ Hlth, Dept Maternal & Child Hlth, Chapel Hill, NC 27515 USA
[2] FHI 360, Durham, NC USA
[3] Univ N Carolina, Sch Med, Div Infect Dis, Chapel Hill, NC 27515 USA
[4] Univ N Carolina, Sch Med, Div Pulm & Crit Care Med, Chapel Hill, NC 27515 USA
[5] Univ N Carolina, Sch Med, Inst Global Hlth & Infect Dis, Chapel Hill, NC 27515 USA
[6] Brigham & Womens Hosp, Dept Med, Channing Div Network Med, 75 Francis St, Boston, MA 02115 USA
[7] Harvard Med Sch, Boston, MA 02115 USA
[8] Eternal Love Winning Africa Hosp, Monrovia, CA, Liberia