1. Division of Psychiatry, Marie Curie Palliative Care Research Department University College London London United Kingdom
2. The Research Department of Primary Care and Population Health Institute of Epidemiology and Health Care, University College London London United Kingdom
3. Division of Psychology and Language Sciences, Department of Experimental Psychology University College London London United Kingdom
4. Department of Metabolism, Digestion and Reproduction, Faculty of Medicine Imperial College London London United Kingdom
5. Division of Psychology and Language Sciences, Department of Language and Cognition University College London London United Kingdom