. 2018 Apr 30;20(4):e159. doi: 10.2196/jmir.8514
©Linda C Li, Eric C Sayre, Hui Xie, Ryan S Falck, John R Best, Teresa Liu-Ambrose, Navi Grewal, Alison M Hoens, Greg Noonan, Lynne M Feehan. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 30.04.2018.
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Figure 6.
Knee Injury and Osteoarthritis Outcome Score (KOOS) symptoms subscale.