AUTHOR=Norman Trevor Ronald TITLE=Editorial: Role of the serotonergic system in pathology of major depressive disorders JOURNAL=Frontiers in Psychiatry VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2022.988307 DOI=10.3389/fpsyt.2022.988307 ISSN=1664-0640