1 Harvard T.H. Chan School of Public Health, Department of Nutrition, 665 Huntington Ave, Boston, MA 02445, USA; Harvard T.H. Chan School of Public Health, Department of Social and Behavioral Sciences, 665 Huntington Ave, Boston, MA 02445, USA. Electronic address: kdavison@hsph.harvard.edu.
2 University of South Carolina, Department of Health Promotion, Education and Behavior, 915 Greene Street, Columbia, SC 29208, USA.
3 Temple University, Center for Obesity Research and Education, 3323 N Broad St, Suite 175, Philadelphia, PA 19140, USA.
4 University of Michigan, Department of Pediatrics, Medical School, Department of Nutritional Sciences, School of Public Health, 300 North Ingalls Street, 10th Floor, University of Michigan, Ann Arbor, MI, 48109, USA.
5 University of Michigan, Department of Health Behavior and Health Education, School of Public Health, 1415 Washington Heights, University of Michigan, Ann Arbor, MI, 48109, USA.
6 USDA/ARS Children's Nutrition Research Center at Baylor College of Medicine, Department of Pediatrics, 1100 Bates Ave, Houston, TX 77030, USA.
7 Washington State University, Department of Human Development, PO Box 644852, Pullman, WA 99164-4852, USA.
8 University of North Carolina at Chapel Hill, Center for Health Promotion and Disease Prevention, 1700 Martin L. King Jr. Blvd, CB 7426, Chapel Hill, NC 27599-7426, USA.
9 California State University, Long Beach, Department of Family and Consumer Sciences, 1250 Bellflower Blvd, Long Beach, CA 90840-0501, USA.