1. PhD Candidate, Department of Social Sciences, Technische Universität Kaiserslautern Kaiserslautern Germany
2. PhD Candidate, Department of English Linguistics, University of Mannheim Mannheim Germany
3. Professor, Department of Social Sciences, Technische Universität Kaiserslautern Kaiserslautern Germany
4. Senior Professor, Department of English Linguistics, University of Mannheim Mannheim Germany