Correction to: Lasers in Medical Science

https://doi.org/10.1007/s10103-020-03172-2

In the published online paper, Figure 4b and d lost the asterisks and words on the Y axis.

Fig. 4
figure 4

The ROS level of LED treated THP-1 cells. ab The ROS level in THP-1 cells with 3 or 5 times LED treatment. cd The ROS level in THP-1 macrophages with 3 or 5 times LED treatment. Control means the cells without fluorescent dyes treatment, LED− means no LED treatment, LED+ means with LED treatment. Data shown are representative of three experiments independently

The original article has been corrected.