AUTHOR=Spencer Peter S. , Kisby Glen E. TITLE=Commentary on Singh et al. (2020) Postzygotic Somatic Mutations in the Human Brain Expand the Threshold-Liability Model of Schizophrenia JOURNAL=Frontiers in Psychiatry VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2021.653624 DOI=10.3389/fpsyt.2021.653624 ISSN=1664-0640