Published on in Vol 16, No 7 (2014): July

1 Department of Kinesiology, Towson University , Towson, MD, US
2 Division of General Internal Medicine, Johns Hopkins University School of Medicine , Baltimore, MD, US
3 Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine , Baltimore, MD, US
4 Department of Preventive Medicine, Rush University Medical Center , Chicago, IL, US
5 Division of Endocrinology and Metabolism, Johns Hopkins University School of Medicine , Baltimore, MD, US
6 Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health , Baltimore, MD, US