Figure 1.

Relative contribution of phylum-like bacterial groups to the total HITChip signals of infants at 6 and 18 months of age. Groups contributing for at least 1% (a) and at least 5% (b) to the profiles are presented in the legend. The box extends from 25^th percentile to 75^th percentile, with a line at the median; the whiskers extent to the highest and lowest values. * Statistically significant change (p < 0.05).