Author William Snyder's affiliation erroneously included PhD in his biography. The correct biography is:
William Snyder, Student, Program in Neuroscience, Bucknell University; Research Assistant, Autism and Developmental Medicine Institute, Geisinger, USA
This article was incorrectly published with an extra asterisk in Figure 4. The correct figure is below.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20200406183011671-0090:S2056472420000198:S2056472420000198_fig1.png?pub-status=live)
Fig. 4
The publisher sincerely apologises for this error.
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