1. Yale University School of Nursing, Orange, Connecticut.
2. Department of General Internal Medicine, School of Medicine, Indiana University, Indianapolis, Indiana.
3. Moi Teaching and Referral Hospital, Eldoret, Kenya.
4. Academic Model Providing Access to Healthcare (AMPATH), Eldoret, Kenya.
5. Department of Behavioral Sciences, School of Medicine, College of Health Sciences, Moi University, Eldoret, Kenya.
6. Department of Medicine, School of Medicine, College of Health Sciences, Moi University.