1. Department of Health and Kinesiology, Texas A&M University, College Station, TX, USA
2. Center for Population Health and Aging, Texas A&M University, College Station, TX, USA
3. Department of Environmental and Occupational Health, School of Public Health, Texas A&M University, College Station, TX, USA
4. Department of Health Promotion and Behavior, College of Public Health, The University of Georgia, Athens, GA, USA