Statistical analysis Data are expressed as the means ± standard deviation of at least three independent experiments. Statistical significance between two groups was determined by a Student’s t-test. The significance level was set at P < 0.05.
Statistical analysisData are expressed as the means ± standard deviation of atleast three independent experiments. Statistical significancebetween two groups was determined by a Student’s t-test. Thesignificance level was set at P < 0.05.