1. Department of Human Development and Family Sciences, University of Texas at Austin, Austin, TX
2. Department of Tobacco Control, National Institute of Public Health (INSP), Cuernavaca, Mexico, C.P. 62100
3. Institute for Health Promotion and Disease Prevention Research, USC, Keck School of Medicine, Los Angeles, CA
4. Department of Health Promotion, Education, & Behavior, Arnold School of Public Health, University of South Carolina, Columbia, SC