1. Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA
2. Annenberg School for Communication, University of Pennsylvania, Philadelphia, PA
3. Division of Adolescent Medicine, Department of Pediatrics, Stanford University, Palo Alto, CA
4. UT Health, School of Public Health, Austin Campus, Austin, TX
5. Department of Psychiatry, Yale School of Medicine, New Haven, CT
6. Department of Kinesiology and Health Education, University of Texas at Austin, Austin, TX
7. Division of Epidemiology and Biostatistics, School of Public Health, Georgia State University, Atlanta, GA