All data were processed by variance analysis using the Statistical Package for the Social Sciences 20.0 program (IBM Corporation, Armonk, NY, USA) for Windows statistical software. Kruskal–Wallis test was used to assess the results. The Bonferroni adjusted Mann–Whitney U test was used after significant Kruskal–Wallis test results to determine the group differences. The data were expressed as mean ± standard error (SE). A p-value <0.05 was considered statistically significant.
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