1. Autism Research Centre, Department of Psychiatry, University of Cambridge, Cambridge CB2 8AH, UK
2. Department of Psychiatry, University of Cambridge, Cambridge CB2 0SZ, UK
3. Cambridgeshire and Peterborough NHS Foundation Trust, Huntingdon PE29 3RJ, UK
4. MRC/Wellcome Trust Behavioural and Clinical Neuroscience Institute, University of Cambridge, Cambridge CB2 3EB, UK
5. Immuno-psychiatry, Immuno-Inflammation Therapeutic Area Unit, GlaxoSmithKline R&D, Stevenage SG1 2NY, UK
6. CLASS Clinic, Cambridgeshire and Peterborough NHS Foundation Trust, Cambridge CB21 5EF, UK