1. The Brown School, Center for Obesity Prevention and Policy Research, Washington University in St Louis, St Louis, Missouri
2. Department of Medicine, The School of Medicine, Washington University in St Louis, St Louis, Missouri
3. Department of Medicine, Welch Center for Prevention, Epidemiology & Clinical Research, Johns Hopkins Medical Institutions, Baltimore, Maryland
4. Department of Health, Behavior, and Society, Welch Center for Prevention, Epidemiology & Clinical Research, Johns Hopkins Medical Institutions, Baltimore, Maryland
5. Department of Acute and Chronic Care, Welch Center for Prevention, Epidemiology & Clinical Research, Johns Hopkins Medical Institutions, Baltimore, Maryland