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.