. 2020 Aug 25;22(8):e19777. doi: 10.2196/19777
©Rie Yokota, Tsuyoshi Okuhara, Haruka Ueno, Hiroko Okada, Emi Furukawa, Takahiro Kiuchi. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 25.08.2020.
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Figure 1.
Flow diagram of the search terms generation procedure.