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. 2019 Aug 6;21(8):e14587. doi: 10.2196/14587

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©Jennifer Jewer, Michael H Parsons, Cody Dunne, Andrew Smith, Adam Dubrowski. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 06.08.2019.

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 the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/, as well as this copyright and license information must be included.

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Box plots of the modified Objective Structured Assessment of Technical Skills checklist and GRS scores. GRS: Global Rating Scale.