AUTHOR=Zhao Yongkun , Wu Haijun , Zhang Mingquan , Mao Juzheng , Todoh Masahiro TITLE=Design methodology of portable upper limb exoskeletons for people with strokes JOURNAL=Frontiers in Neuroscience VOLUME=17 YEAR=2023 URL=https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2023.1128332 DOI=10.3389/fnins.2023.1128332 ISSN=1662-453X