1. Global Programs for Research and Training, University of California, San Francisco, Nairobi, Kenya
2. HIV Implementation Science and Services Kenya Medical Research Institute/Centers for Global Health Research (KEMRI,CGHR), Kisumu, Kenya
3. HIV Comprehensive Care Centre, Jaramogi Oginga Odinga Teaching and Referral Hospital, Kisumu, Kenya
4. Surveillance and Epidemiology Branch, CDC Division of Global HIV AIDS, Kisumu, Kenya