1. Department of Pediatrics, Section of General Pediatrics, Yale School of Medicine, New Haven, Connecticut
2. Department of Biostatistics, Health Informatics, Yale School of Public Health, New Haven, Connecticut
3. Division of Nutrition, Physical Activity, and Obesity, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia
4. Department of Pediatrics, Susan B. Meister Child Health Evaluation and Research Center, University of Michigan Medical School, Ann Arbor
5. Department of Health Management and Policy, University of Michigan School of Public Health, Ann Arbor