1. Department of Communication, University of Kentucky, Lexington, Kentucky, USA;
2. Oklahoma Tobacco Research Center, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA;
3. School of Media and Journalism, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA;
4. Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA;
5. Department of Psychology, North Carolina State University, Raleigh, North Carolina, USA