Correction to: Scientific Reports https://doi.org/10.1038/s41598-018-30349-1, published online 08 August 2018

The Article contains an error in the legend of Table 1.

“Data are the mean ± standard deviation. P < 0.05 (Friedman test) between pre-dose and week 4; P < 0.05 between pre-dose and week 8. ns, not significant.”

should read:

“Data are the mean ± standard error of mean. P < 0.05 (Wilcoxon signed-rank test) between pre-dose and week 4; P < 0.05 between pre-dose and week 8. ns, not significant.”