. 2020 Apr 3;3(1):e17142. doi: 10.2196/17142
©Sue P Heiney, Sara B Donevant, Swann Arp Adams, Pearman D Parker, Hongtu Chen, Sue Levkoff. Originally published in JMIR Aging (http://aging.jmir.org), 03.04.2020.
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Figure 1.
Screenshots of sample app features.