. 2015 Mar 3;17(3):e53. doi: 10.2196/jmir.3904
©Nina Weymann, Jörg Dirmaier, Alessa von Wolff, Levente Kriston, Martin Härter. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 03.03.2015.
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Figure 2.
Control window.