1. School of Psychology and Humanities, University of Central Lancashire, Preston, UK
2. Department of Health, Learning and Technology, Luleå University of Technology, Luleå, Sweden
3. Department of Experimental Psychology, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
4. Department of Psychology and Psychotherapy, Witten/Herdecke University, Witten, Germany
5. Department of Applied Psychology, Cardiff Metropolitan University, Cardiff, UK