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. 2019 Feb 27;2(1):e13135. doi: 10.2196/13135

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©Courtney Campbell Walton, Amit Lampit, Christos Boulamatsis, Harry Hallock, Polly Barr, Jeewani Anupama Ginige, Henry Brodaty, Tiffany Chau, Megan Heffernan, Perminder Singh Sachdev, Maria A Fiatarone Singh, Michael Valenzuela. Originally published in JMIR Aging (http://aging.jmir.org), 27.02.2019.

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

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Screenshot of the participant's view for submitting a help request. Participants can directly contact trainers for assistance at any time, by simply selecting "I need help" from their homescreen.