1 Department of Psychiatry, Autism Research Centre, University of Cambridge Cambridge, UK.
2 Department of Psychiatry, Autism Research Centre, University of Cambridge Cambridge, UK ; Cambridgeshire and Peterborough NHS Foundation Trust, CLASS Clinic Cambridge, UK.
3 Department of Experimental Psychology, Utrecht University Utrecht, Netherlands ; Department of Psychiatry and Mental Health, J-Block Groote Schuur Hospital Observatory, University of Cape Town Cape Town, South Africa.
4 Department of Psychiatry, Autism Research Centre, University of Cambridge Cambridge, UK ; Psychology Department, Edinburgh University Edinburgh, UK.