AUTHOR=Martinez-Lozada Zila , Hewett Sandra J. , Zafra Francisco , Ortega Arturo TITLE=Editorial: The known, the unknown, and the future of glutamate transporters JOURNAL=Frontiers in Cellular Neuroscience VOLUME=16 YEAR=2022 URL=https://www.frontiersin.org/journals/cellular-neuroscience/articles/10.3389/fncel.2022.1005834 DOI=10.3389/fncel.2022.1005834 ISSN=1662-5102