. 2017 Dec 4;19(12):e372. doi: 10.2196/jmir.6983
©Pablo Enrique Paredes, Nur Al-Huda Hamdan, Dav Clark, Carrie Cai, Wendy Ju, James A Landay. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 04.12.2017.
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Figure 4.
Back rest with 41 vibrotactile motor grid arrangement.