Irene Doherty, PhD, MPH¹, Dana Pasquale, MPH¹, evelyn foust, MPH² and Peter Leone, MD³, 1Div of Infectious Diseases, Dept of Medicine, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, 2North Carolina Department of Health, NCDHS, Raleigh, NC, 3HIV/STD Prevention and Control Branch, North Carolina Department of Health and Human Services, Chapel Hill, NC