AUTHOR=Xie Yongtao , Gao Xuping , Song Yiling , Zhu Xiaotong , Chen Mengge , Yang Li , Ren Yuanchun TITLE=Corrigendum: Effectiveness of Physical Activity Intervention on ADHD Symptoms: A Systematic Review and Meta-Analysis JOURNAL=Frontiers in Psychiatry VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2021.806241 DOI=10.3389/fpsyt.2021.806241 ISSN=1664-0640