1. School of Psychological and Clinical Language Sciences, University of Reading, Reading, UK
2. Department of Psychology, Reykjavik University, Reykjavik, Iceland
3. Landspitali, The National University Hospital of Iceland, Reykjavik, Iceland
4. Department of Psychiatry, University of Oxford, London, UK
5. CAMHS Anxiety and Depression Pathway, Berkshire Healthcare NHS Foundation Trust, Reading, UK
6. Department of Experimental Psychology, University of Oxford, London, UK