1. Divisions of Gastroenterology, Hepatology, and Nutrition, and
2. Department of Pediatrics, The University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania; and
3. Behavioral Pediatrics, The Children’s Hospital of Philadelphia, Philadelphia Pennsylvania;
4. Divisions of Nutrition, Physical Activity, and Obesity, and
5. Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, Atlanta, Georgia