Dynamics of relative abundances of the major bacterial orders (a) and genera (b) belonging to Enterobacteriales, Lactobacillales, and Bacillales and fungal orders (c) and genera (d) belonging to Saccharomycetales, Eurotiales, and Mucorales in samples as obtained by Illumina MiSeq sequencing targeting the V4 regions of the 16S and 18S rRNA genes, respectively. The abundance is presented as of percentage of total effective bacterial sequences. The abundances of bacterial “other” orders and genera were <1% in all samples; a more detailed overview of bacterial “other” orders is shown in Fig. S8 in the supplemental material. Fungal “other” orders were hardly detected in samples, and the abundances of fungal “other” genera were 0.04% in all samples; a more detailed overview of bacterial “other” genera is shown in Fig. S9 in the supplemental material.