. 2019 Aug 19;21(8):e12972. doi: 10.2196/12972
©Hanneke Kip, Saskia M Kelders, Yvonne HA Bouman, Lisette JEWC van Gemert-Pijnen. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 19.08.2019.
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