Heather C. Hamner, Jennifer M. Nelson, Andrea J. Sharma, Maria Elena D. Jefferds, Carrie Dooyema, Rafael Flores-Ayala, and Cria G. Perrine are with the Division of Nutrition, Physical Activity, and Obesity, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, GA. Andrew A. Bremer and Ashley J. Vargas are with the Pediatric Growth and Nutrition Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development,...