In the original article, Figure 4 was replicated for Figures 5, 6 and 9. The authors and the publishers would like to apologise for this error. The correct Figures are shown below.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20200311170536323-0204:S0033291718000843:S0033291718000843_fig1g.gif?pub-status=live)
Fig. 1. Total negative symptoms over 2-years of EI.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20200311170536323-0204:S0033291718000843:S0033291718000843_fig2g.gif?pub-status=live)
Fig. 2. Expressivity over 2-years of EI.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20200311170536323-0204:S0033291718000843:S0033291718000843_fig3g.gif?pub-status=live)
Fig. 3. Motivation over 2-years of EI.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20200311170536323-0204:S0033291718000843:S0033291718000843_fig4g.jpeg?pub-status=live)
Fig. 4. Total negative symptoms over the 3-year RCT extension.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20200311170536323-0204:S0033291718000843:S0033291718000843_fig5g.jpeg?pub-status=live)
Fig. 5. Expressivity over the 3-year RCT extension.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20200311170536323-0204:S0033291718000843:S0033291718000843_fig6g.jpeg?pub-status=live)
Fig. 6. Motivation over the 3-year RCT extension.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20200311170536323-0204:S0033291718000843:S0033291718000843_fig7g.gif?pub-status=live)
Fig. 7. Mean total negative symptoms over the 5-year critical period. b(r) = baseline at randomization.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20200311170536323-0204:S0033291718000843:S0033291718000843_fig8g.gif?pub-status=live)
Fig. 8. Expressivity over the 5-year critical period. b(r) = baseline at randomization.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20200311170536323-0204:S0033291718000843:S0033291718000843_fig9g.gif?pub-status=live)
Fig. 9. Motivation over the 5-year critical period. b(r) = baseline at randomization.