1. Stanford Solutions Science Laboratory, Department of Pediatrics, Stanford University, Stanford, California;
2. Lucile Packard Children’s Hospital Stanford, Palo Alto, California;
3. Program in Public Health, Department of Family, Population and Preventive Medicine, Stony Brook University, Stony Brook, New York;
4. Department of Communication Studies, College of Arts, Media and Design, and
5. Health Technology Laboratory, Department of Health Sciences, Bouvé College of Health Sciences, Northeastern University, Boston, Massachusetts;
6. Rudd Center for Food Policy and Obesity, University of Connecticut, Hartford, Connecticut;
7. Children’s Digital Media Center, Department of Psychology, Georgetown University, Washington, District of Columbia; and
8. Center on Media and Human Development, School of Communication, Northwestern University, Evanston, Illinois