1. Department of Public Health and Social Work, Slippery Rock University of Pennsylvania, Slippery Rock, Pennsylvania, USA
2. Division of Social and Behavioral Sciences, School of Public Health, University of Memphis, Memphis, Tennessee, USA
3. Division of Epidemiology and Biostatistics, School of Public Health, University of Memphis, Memphis, Tennessee, USA
4. School of Communication Studies, Kent State University at Stark, North Canton, Ohio, USA