AUTHOR=Chen Xinrui , Song Xizi , Chen Long , An Xingwei , Ming Dong TITLE=Corrigendum: Performance Improvement for Detecting Brain Function Using fNIRS: A Multi-Distance Probe Configuration With PPL Method JOURNAL=Frontiers in Human Neuroscience VOLUME=15 YEAR=2021 URL=https://www.frontiersin.org/journals/human-neuroscience/articles/10.3389/fnhum.2021.786352 DOI=10.3389/fnhum.2021.786352 ISSN=1662-5161