RTI International - Wake County Field Site, Raleigh, North Carolina, United States
Medical Research Council, Cape Town, South Africa
Comprehensive Phase One, Miramar, Florida, United States
RTI International, Research Triangle Park, North Carolina, United States
Biomedical Center, St. Petersburg, Russian Federation
Fujian Institute of Health Education, Fuzhou, China
Zimbabwe Community Health Intervention Research (ZiCHIRe) - University of Zimbabwe, Harare, Zimbabwe