1. Department of Medicine,
2. Duke Global Health Institute, Duke University, Durham, North Carolina;
3. Academic Model Providing Access to Healthcare, Eldoret, Kenya;
4. Department of Biostatistics and Bioinformatics, School of Medicine, and
5. Moi University School of Medicine and Moi Teaching and Referral Hospital, Eldoret, Kenya; and
6. Division of Infectious Disease, Department of Medicine, School of Medicine, University of Indiana, Indianapolis, Indiana