W Scott1, L M McCracken2,3. 1. Department of Psychology, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, UK whitney.scott@kcl.ac.uk. 2. Department of Psychology, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, UK. 3. INPUT Pain Management, Guy's and St Thomas' NHS Foundation Trust, London, UK.