Authors:Anjuli D. Wagner, University of WashingtonIrene N. Njuguna, University of WashingtonRuth Andere, Kenyatta National HospitalLisa Marie Cranmer, Emory UniversityHelen M. Okinyi, University of NairobiSarah Benki-Nugent, University of WashingtonBhavna Chohan, Kenya Medical Research InstituteElizabeth Maleche-Obimbo, University of NairobiDalton C. Wamalwa, University of NairobiGrace C. John-Stewart, University of Washington