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. 2020 Jun 9;8(6):e18204. doi: 10.2196/18204

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©Judith Jantine Willemijn van Beek, Erwin Everardus Henri van Wegen, Marc Berend Rietberg, Thomas Nyffeler, Stephan Bohlhalter, Christian Philipp Kamm, Tobias Nef, Tim Vanbellingen. Originally published in JMIR mHealth and uHealth (http://mhealth.jmir.org), 09.06.2020.

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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Results of the System Usability Scale (SUS). The SUS score ranges from 0% to 100%, where a higher value indicates better system usability. The dotted line represents a score of 71.4%. A score of 70% up to a maximum 100% represents acceptable-to-excellent usability. PwMS: persons with MS; HS: healthy subjects.