1. Center for Children's Healthy Lifestyles and Nutrition, Children’s Mercy Kansas City, Kansas City, MO, USA
2. Department of Family Medicine and Public Health, University of California San Diego, La Jolla, CA, USA
3. Center for Behavioral Epidemiology and Community Health, San Diego State University, San Diego, CA, USA
4. Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, Australia