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The authors of the article “Time Course and Diagnostic Utility of Nfl, Tau, GFAP, and UCH-L1 in Subacute and Chronic TBI,”1 revised the paper to acknowledge and cite duplication of analyses and figures in a companion paper.2 They made changes throughout the paper acknowledging that some of the figures and analyses are reproduced from the companion paper for ease of comparison. They also cite the companion paper in several places to ensure that the reader knows which of the analyses and figures are also contained in the companion paper. These changes have occurred in the Introduction, Methods, Results, Discussion, figure legends, tables, and supplementary material, and the online version of the article was updated on March 22. All changes are identified in the Highlighted Changes supplement linked from the updated version.
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