1. Department of Health Policy and Management, University of California Los Angeles Fielding School of Public Health, Los Angeles, CA.
2. Division of Health Promotion and Behavioral Sciences, San Diego State University Graduate School of Public Health, San Diego, CA.
3. Institute for Behavioral and Community Health, San Diego State University Research Foundation, San Diego, CA.
4. Department of Family and Preventive Medicine, University of California at San Diego School of Medicine, San Diego, CA.
5. Departments of Nutrition and of Social and Behavioral Sciences, Harvard School of Public Health, Boston, MA.
6. Bloomberg School of Public Health and the Global Obesity Prevention Center, Johns Hopkins University, Baltimore, MD.