1. Ha T. Nguyen, PhD, is with the Department of Family and Community Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina. Kyriakos S. Markides, PhD, is with the Division of Sociomedical Sciences, University of Texas Medical Branch, Galveston, Texas. Marilyn A. Winkleby, PhD, is with the Stanford Center for Research in Disease Prevention, Stanford University School of Medicine, Palo Alto, California