. 2012 Dec 10;14(6):e175. doi: 10.2196/jmir.2105
©Rebecca Jeffery, Tamara Navarro, Cynthia Lokker, R Brian Haynes, Nancy L Wilczynski, George Farjou. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 10.12.2012.
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Figure 1.
Flow Diagram of Study Population.