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. 2018 Mar 5;9:317. doi: 10.3389/fmicb.2018.00317

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Copyright © 2018 Losasso, Eckert, Mastrorilli, Villiger, Mancin, Patuzzi, Di Cesare, Cibin, Barrucci, Pernthaler, Corno and Ricci.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Fist two components of the PCA of the OTU profiles of the omnivorous (Omni), vegan and vegetarian (Vegi) participants in the study. The variance explained by each component is written in brackets.