1. From the Johns Hopkins Global Center on Childhood Obesity, Department of International Health, Bloomberg School of Public Health, Baltimore, MD (L.C., Y. Wu, Y. Wang); Department of Nutrition and Food Hygiene, School of Public Health, Peking University Health Science Center, Beijing, China (L.C.); Departments of Health, Behavior, and Society (Y. Wu) and Health Policy and Management (R.F.W., J.B.S.), Johns Hopkins Bloomberg School of Public Health, Baltimore, MD; Department of Medicine, Johns Hopkins...