AUTHOR=Lin Yan , Sandusky-Beltran Leslie A. , Gamallo-Lana Begona , Mar Adam , Sigurdsson Einar M. TITLE=Response: Commentary: Chronic PD-1 Checkpoint Blockade Does Not Affect Cognition or Promote Tau Clearance in a Tauopathy Mouse Model JOURNAL=Frontiers in Aging Neuroscience VOLUME=12 YEAR=2020 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2020.00205 DOI=10.3389/fnagi.2020.00205 ISSN=1663-4365