1 From the Center for Latino Adolescent and Family Health (V.G.-R., M.T.-K., A.B.), and the Institute for Policy Solutions, School of Nursing (V.G.-R., M.T.-K., A.B.), Johns Hopkins University; and the U.S. Presidential Advisory Council on HIV/AIDS (V.G.-R.) - both in Washington, DC; and the Department of Epidemiology, Mailman School of Public Health, Columbia University (M.T.-K.), and the Department of Applied Psychology, Steinhardt School of Culture, Education, and Human Development, New York University (A.B.) - both in New York.