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. 2021 Feb 19;9(2):e25451. doi: 10.2196/25451

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©Dongning Su, Zhu Liu, Xin Jiang, Fangzhao Zhang, Wanting Yu, Huizi Ma, Chunxue Wang, Zhan Wang, Xuemei Wang, Wanli Hu, Brad Manor, Tao Feng, Junhong Zhou. Originally published in JMIR mHealth and uHealth (http://mhealth.jmir.org), 19.02.2021.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR mHealth and uHealth, is properly cited. The complete bibliographic information, a link to the original publication on http://mhealth.jmir.org/, as well as this copyright and license information must be included.

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Correlation between stride time (A) and stride time variability (B) as measured by the app (x-axis) and the Mobility Lab system (y-axis) for each participant.