1 Senior Clinical Researcher, Department of Psychiatry, University of Oxford, Warneford Lane, Oxford OX3 7JX, UK.
2 Visiting Senior Lecturer, Department of Forensic and Neurodevelopmental Sciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, Denmark Hill, London SE5 8AF.
4 Professor of Forensic Psychiatry, Department of Psychological Medicine and Clinical Neurosciences, School of Medicine, Cardiff University, Haydn Ellis Building, Maindy Road, Cardiff CF244HQ.