1. Department of Social and Behavioral Health, University of Nevada, Las Vegas, NV 89119, USA
2. Department of Internal Medicine, Kirk Kerkorian School of Medicine, University of Nevada, Las Vegas, NV 89102, USA
3. Department of Epidemiology and Biostatistics, University of Nevada, Las Vegas, NV 89119, USA
4. Department of Environmental and Occupational Health, University of Nevada, Las Vegas, NV 89119, USA
5. Department of Teaching and Learning, University of Nevada, Las Vegas, NV 89119, USA