. 2015 Dec 18;3(2):e9. doi: 10.2196/games.4561
©Frederiek de Vette, Monique Tabak, Marit Dekker - van Weering, Miriam Vollenbroek-Hutten. Originally published in JMIR Serious Games (http://games.jmir.org), 18.12.2015.
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Figure 1.
Approaches to classify the user.