Imperial College London - Personality Disorder Research Unit, Imperial College London, Bangor University, Bangor University, NHS Foundation Trust - Central and North West London (CNWL), Imperial College London, Middlesex University, Middlesex University, King’s College London - Institute of Psychiatry, Psychology & Neuroscience (IoPPN), University of Oxford, Keele University, Derbyshire Healthcare NHS Foundation Trust, Avon and Wiltshire Mental Health Partnership NHS Trust, Northern Lincolnshire and Goole NHS Foundation Trust, University Hospitals Coventry and Warwickshire, King’s College London - Institute of Psychiatry, Psychology & Neuroscience (IoPPN), University of Bristol - Centre for Academic Mental Health, University of Bristol and University of London