1. Institute of Behavioural Neuroscience, Department of Experimental Psychology, Division of Psychology and Language Sciences, University College London, London, UK
2. Faculty of Environment, School of Geography, University of Leeds, Leeds, UK
3. Department of Psychology, University of Pennsylvania, Philadelphia, PA, USA
4. LIRIS - CNRS, University of Lyon, Lyon, France
5. Norwich Medical School, University of East Anglia, Norwich, UK