Availability of data and materials
De-identified results from the clinical laboratory and stool bacterial 16S rRNA amplicon sequencing, targeted qPCR, targeted metabolomics, and exfoliated intestinal cell transcriptomics, as well as information necessary to interpret the data, such as the study protocol and modifications thereof, instruments, survey tools, and variable lists, will be submitted to relevant National Institutes of Health (NIH)-designated data repositories, according to standards set forth in the Health and Human Services Regulations for the Protection of Human Participants and in a manner consistent with the informed consent provided by study participants. Basic clinical metadata such as age will also be provided.