1. Associate Professor, Department of Communication Studies, California Polytechnic State University, College of Liberal Arts, San Luis Obispo, California, USA;
2. Post-doc Lecturer, Department of Communication Science, University of Amsterdam, Amsterdam, The Netherlands;
3. Professor, Department of Communication, University of Arizona, College of Social and Behavioral Sciences, Tucson, Arizona, USA;
4. Assistant Professor, School of Government & Public Policy, University of Arizona, College of Social and Behavioral Sciences, Tucson, Arizona, USA