John B. Jemmott III, G. Anita Heeren, and Craig Carty are with the Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia. John B. Jemmott III is also with the Annenberg School for Communication, University of Pennsylvania. Loretta S. Jemmott is with the School of Nursing, University of Pennsylvania. Ann O’Leary is with the Division of HIV/AIDS Prevention, Centers for Disease Control and Prevention, Atlanta, GA. Zolani Ngwane is with the Department of Anthropology...