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.
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Fig. 1. Total negative symptoms over 2-years of EI.
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Fig. 2. Expressivity over 2-years of EI.
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Fig. 3. Motivation over 2-years of EI.
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Fig. 4. Total negative symptoms over the 3-year RCT extension.
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Fig. 5. Expressivity over the 3-year RCT extension.
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Fig. 6. Motivation over the 3-year RCT extension.
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Fig. 7. Mean total negative symptoms over the 5-year critical period. b(r) = baseline at randomization.
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Fig. 8. Expressivity over the 5-year critical period. b(r) = baseline at randomization.
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Fig. 9. Motivation over the 5-year critical period. b(r) = baseline at randomization.