1. University of Arizona, Mel and Enid Zuckerman College of Public Health, Department of Health Promotion Sciences, Tucson, Arizona, USA
2. University of Arizona, Norton School of Family and Consumer Sciences, Family Studies and Human Development, Tucson, Arizona, USA
3. University of Arizona, College of Science, Department of Psychology, Tucson, Arizona, USA
4. San Diego State University, Graduate School of Public Health, Department of Epidemiology and Biostatistics, San Diego, California, USA