1. Wellcome Centre for Human Neuroimaging, UCL Queen Square Institute of Neurology, London, UK
2. Faculty of Health Sciences, Universidad del Desarrollo, Concepcion, Chile
3. Institute of Cognitive Neuroscience, University College London, London, UK
4. Department of Brain Repair and Rehabilitation, UCL Queen Square Institute of Neurology, London, UK
5. Department of Experimental Psychology, University College London, London, UK