Statistical analysis
One-way ANOVA followed by Tukey’s test was used to analyse the data
expressed as means ± SEM for comparing differences among each group.
Statistical evaluations was analyzed via SPSS 22.0 (IBM, Armonk, NY,
USA) and Prism 5 (GraphPad Software, La Jolla, CA, USA). Level of
statistical significance was set to p < 0.05.