*2.7. Statistics*

All experiments were repeated at least 3 times. All data were assessed using one-way ANOVA. When the results were significant, we determined which means differed from each other using Tukey's multiple-comparisons test. Results are expressed as mean ± standard error of the mean (SEM). Statistical analysis was performed using GraphPad Prism, with *p* < 0.05 considered statistically significant. Only significant comparisons are shown in the figures. All the examiners were blinded to the identities of the samples they were analyzing.
