Levels of significance were P > 0.05: not significant (n.s.); P ≤ 0.05: significant (*); P ≤ 0.01: very significant (**); P ≤ 0.001: highly significant (***).
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Levels of significance were P > 0.05: not significant (n.s.); P ≤ 0.05: significant (*); P ≤ 0.01: very significant (**); P ≤ 0.001: highly significant (***).