. 2010 Feb 10;12(1):e3. doi: 10.2196/jmir.1361
© Miriam Wanner, Eva Martin-Diener, Georg Bauer, Charlotte Braun-Fahrländer, Brian W Martin. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 10.02.2010.
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Figure 1.
Screenshot of the welcoming page of Active-online