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. 2019 Nov 7;6(2):e14236. doi: 10.2196/14236

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©Sarah Eichler, Annett Salzwedel, Sophie Rabe, Steffen Mueller, Frank Mayer, Monique Wochatz, Miralem Hadzic, Michael John, Karl Wegscheider, Heinz Völler. Originally published in JMIR Rehabilitation and Assistive Technology (http://rehab.jmir.org), 07.11.2019.

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 Rehabilitation and Assistive Technology, is properly cited. The complete bibliographic information, a link to the original publication on http://rehab.jmir.org/, as well as this copyright and license information must be included.

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Differences in endpoints between intervention and control group, multiple adjusted. SF: Short Form Health Survey; PCS: physical component scale; MCS: mental component scale; WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index.