. 2021 Aug 26;23(8):e26079. doi: 10.2196/26079
©Chan Mi Kim, Esther M van der Heide, Thomas J L van Rompay, Gijsbertus J Verkerke, Geke D S Ludden. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 26.08.2021.
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Figure 1.
Flow diagram of study selection.