Mary Marden Velasquez, PhD, is Associate Professor in the Department of Family Practice and Community Medicine at the University of Texas-Houston Medical School. nbsp; Gaylyn Gaddy Maurer, MA, is an outreach counselor at the University of Houston Campus Recreation and Wellness Center. nbsp; Cathy Crouch, MSW, is Director of Programs with the SEARCH Homeless Project in Houston. nbsp; Carlo C. DiClemente, PhD, is Professor and Chair of the Department of Psychology at the University of Maryland, Baltimore County.