title: Authors' reply.
authors.affiliation: Nicolas Crossley, MRCPsych, PhD, Andrea Mechelli, PhD, Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neurosciences, King's College London, London SE5 8AF, UK. Email: a.mechelli@kcl.ac.uk.
authors.forename: Nicolas
authors.initials: N
authors.lastname: Crossley
authors.affiliation: Nicolas Crossley, MRCPsych, PhD, Andrea Mechelli, PhD, Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neurosciences, King's College London, London SE5 8AF, UK. Email: a.mechelli@kcl.ac.uk.
authors.forename: Andrea
authors.initials: A
authors.lastname: Mechelli