AUTHOR=D'Cruz Nicholas , Nieuwboer Alice TITLE=Can Motor Arrests in Other Effectors Be Used as Valid Markers of Freezing of Gait? JOURNAL=Frontiers in Human Neuroscience VOLUME=15 YEAR=2021 URL=https://www.frontiersin.org/journals/human-neuroscience/articles/10.3389/fnhum.2021.808734 DOI=10.3389/fnhum.2021.808734 ISSN=1662-5161