1. Zewditu Demissie, Catherine N. Rasberry, Riley J. Steiner, Nancy Brener, and Tim McManus are with the Division of Adolescent and School Health, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, GA. Zewditu Demissie is also with the US Public Health Service Commissioned Corps, Rockville, MD.