1. Faculty of Health Sciences, Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg, South Africa
2. Oak Crest Institute of Science, Monrovia, CA, USA
3. CONRAD, Eastern Virginia Medical School, Norfolk, VA, USA
4. International Partnership for Microbicides, Silver Spring, MD, USA
5. NWJ Group, LLC, Wayne, PA, USA