AUTHOR=Zhang Ting , Dong Li , Jing Hua , Gao Song TITLE=Smartphone Applications in the Management of Parkinson's Disease in a Family Setting: An Opinion Article JOURNAL=Frontiers in Neurology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2021.668953 DOI=10.3389/fneur.2021.668953 ISSN=1664-2295