. 2014 Jun 23;16(6):e156. doi: 10.2196/jmir.3057
©Peter Makai, Marieke Perry, Sarah HM Robben, Henk J Schers, Maud M Heinen, Marcel GM Olde Rikkert, René F Melis. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 23.06.2014.
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