The erratum corrects an error in the y-axis labels of Fig. 4 and Fig. S2.
This article [J. Biomed. Opt. 25(06), 0638008 (2020) doi: 10.1117/1.JBO.25.6.063808] was originally published online on 28 February 2020 with mislabeled y-axes in Fig. 4 and Fig. S2, panels (a)–(c). The correct label is “Absorbance (%).” The data in the figures remains the same.
This article was corrected online on 25 June 2020.