. 2012 Apr 30;14(2):e48. doi: 10.2196/jmir.1902
©Hein de Vries, Matti Logister, Gertruud Krekels, Frits Klaasse, Verina Servranckx, Liesbeth van Osch. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 30.04.2012.
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