AUTHOR=Castro Alex , Duft Renata Garbellini , Zeri Ana Carolina de Mattos , Cavaglieri Claudia Regina , Chacon-Mikahil Mara PatrĂ­cia Traina TITLE=Commentary: Metabolomics-Based Studies Assessing Exercise-Induced Alterations of the Human Metabolome: A Systematic Review JOURNAL=Frontiers in Physiology VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2020.00353 DOI=10.3389/fphys.2020.00353 ISSN=1664-042X