3 weeks

16 weeks

59 weeks

92 weeks

1. Bar graphs represent arithmetic means and their corresponding standard errors.

2. One-way ANOVA was used for significance analysis. We use the following convention for symbols indicating statistical significance, ns: p > 0.05; *: p <= 0.05; **: p <= 0.01; ***: p <= 0.001; ****: p <= 0.0001