. 2013 Aug 28;15(8):e184. doi: 10.2196/jmir.2708
©Fatemeh Gholami-Kordkheili, Verina Wild, Daniel Strech. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 28.08.2013.
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Figure 1.
Flowchart illustrating identified references.