1 David Shiers, MBChB, MRCGP, MRCP(UK), School of Psychological Sciences, University of Manchester, Manchester M13 9PL, UK. Email: david.shiers@doctors.org.uk; Jonathan Campion, MBBS, MRCPsych, South London and Maudsley NHS Foundation Trust, and Faculty of Brain Sciences, University College London, London; Tim Bradshaw, RMN, PhD, School of Nursing, Midwifery and Social Work, University of Manchester, Manchester, UK.