1. School of Psychology, Swansea University, Swansea, UK
2. School of Psychology, University of Southampton, Southampton, UK
3. Faculty of Health Sciences, University of Lethbridge, Lethbridge, Alberta, Canada
4. Faculty of Life Sciences and Education, University of South Wales, Pontypridd, UK
5. Swansea University Medical School, Swansea, UK
6. Department of Psychology, Reykjavík University, Iceland