. 2018 Aug 24;6(8):e10502. doi: 10.2196/10502
©Hee Kwon, Sungin Lee, Eun Ji Jung, SangHee Kim, Jung-Kyu Lee, Deog Kyeom Kim, Tae-Hyung Kim, Seung Hyeun Lee, Myoung Kyu Lee, Seungjae Song, Kichul Shin. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 24.08.2018.
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Figure 2.
Usability evaluation results (Stage 1).