AUTHOR=Skoulakis Anargyros , Skoufos Giorgos , Ovsepian Armen , Hatzigeorgiou Artemis G. TITLE=Machine learning models reveal microbial signatures in healthy human tissues, challenging the sterility of human organs JOURNAL=Frontiers in Microbiology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2024.1512304 DOI=10.3389/fmicb.2024.1512304 ISSN=1664-302X