1. School of Medicine, Cardiff University, University Hospital Llandough, Penarth, Wales, UK
2. Centre for Mental Health, Addiction and Suicide Research, University of Bristol, Oakfield House, Oakfield Grove, Bristol, UK
3. School of Experimental Psychology, University of Bristol, Bristol, UK
4. Lyon Neuroscience Research Center, Centre Hospitalier Vinatier, Bron, Cedex, France
5. Department of Psychology, College of Human and Health Sciences, University of Swansea, Singleton Park, Swansea, Wales, UK