1. Center for Reducing Health Disparities, College of Public Health, Department of Health Promotion, University of Nebraska Medical Center, Omaha, NE, USA;
2. College of Public Health, Department of Environmental, Agricultural and Occupational Health, University of Nebraska Medical Center, Omaha, NE, USA;
3. College of Public Health, Department of Health Promotion, Social and Behavioral Health, University of Nebraska Medical Center, Omaha, NE, USA;
4. College of Nursing, University of Nebraska Medical Center, Omaha, NE, USA