1 Behavioural & Clinical Neuroscience Institute, Department of Psychiatry, University of Cambridge, Cambridge; ImmunoPsychiatry, Alternative Discovery & Development, GlaxoSmithKline, Stevenage; Cambridgeshire & Peterborough NHS Foundation Trust, Cambridge, United Kingdom. Electronic address: etb23@cam.ac.uk.
2 Behavioural & Clinical Neuroscience Institute, Department of Psychiatry, University of Cambridge, Cambridge.