Joshua R. Smith is with the Joint Doctoral Program, University of California, San Diego, and San Diego State University, San Diego, CA. Steven D. Edland and Wael K. Al-Delaimy are with the Department of Family and Preventive Medicine, and Martha M. White is with the Moores Cancer Center, University of California. Thomas E. Novotny and Suzanne P. Lindsay are with the Graduate School of Public Health, and C. Richard Hofstetter is with the Department of Political Science, San Diego State University.