AUTHOR=Shim Kyu Hwan , Go Han Gyeol , Bae Heewon , Jeong Da-Eun , Kim Danyeong , Youn Young Chul , Kim SangYun , An Seong Soo A. , Kang Min Ju TITLE=Corrigendum: Decreased Exosomal Acetylcholinesterase Activity in the Plasma of Patients With Parkinson's Disease JOURNAL=Frontiers in Aging Neuroscience VOLUME=13 YEAR=2021 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2021.726525 DOI=10.3389/fnagi.2021.726525 ISSN=1663-4365