AUTHOR=Li Yong , Tan Dianhui , Luo Cheng , Chen Junchen TITLE=Temporal and geographical dynamics of early-onset Parkinson’s disease burden: insights from the Global Burden of Disease Study 2021 JOURNAL=Frontiers in Neurology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2025.1473548 DOI=10.3389/fneur.2025.1473548 ISSN=1664-2295