Clustering of vaginal samples within individuals based on microbial composition. The histograms (lower portion of each panel) show the phylum level bacterial composition of each subject, and the dendrograms (upper portion of each panel) display the clustering of the sample types within each of the eight subjects. CX, swab cervix library; FX, swab fornix library; OT, swab outer library; SL, scrape lower library; SU, scrape upper library; LA, lavage library.