. 2020 Jul 28;3(2):e18008. doi: 10.2196/18008
©Sayeh Bayat, Gary Naglie, Mark J Rapoport, Elaine Stasiulis, Belkacem Chikhaoui, Alex Mihailidis. Originally published in JMIR Aging (http://aging.jmir.org), 28.07.2020.
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Figure 1.
Stop types: (a) full-signal stop and (b) no-signal stop.