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. 2018 Oct 22;6(10):e11231. doi: 10.2196/11231

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©Simon E Thurnheer, Isaac Gravestock, Giuseppe Pichierri, Johann Steurer, Jakob M Burgstaller. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 22.10.2018.

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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Decrease in pain in out-clinic before-after studies and in the retrospective data analysis. Pain scale (Numeric Rating Scale): 0-10.