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. 2018 Jan 23;6(1):e15. doi: 10.2196/mhealth.8478

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©Joseph P Salisbury, Neha U Keshav, Anthony D Sossong, Ned T Sahin. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 23.01.2018.

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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Head-mounted smartglasses have comparable test-retest reliability to waist-mounted balance accelerometer measurement. Test-retest intraclass correlation coefficient, ICC2,1, for accelerometer measures of postural sway along anterior-posterior (AP) (A=head, B=waist) and all axes (C=head, D=waist). NPL: normalized path length.