. 2013 Aug 22;15(8):e181. doi: 10.2196/jmir.2605
©Sarah L Krein, Reema Kadri, Maria Hughes, Eve A Kerr, John D Piette, Rob Holleman, Hyungjin Myra Kim, Caroline R Richardson. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 22.08.2013.
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Figure 1.
Study flow diagram.