The authors wish to make the following correction to this paper [1].
Reference [2] was cited in connection with concept Figure 5, but must be also cited in our Figure 5 legend. Figure 1 of Reference [2] was re-used as part of our concept Figure 5.
The correct Figure 5 legend should be:
Figure 5. Improvement of IEM diagnosis tests using untargeted metabolomics. Re-use of Figure 1 from [176], with permission from the publisher.
The authors would like to apologize for any inconvenience caused to the readers by these changes.
References
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