. 2011 Dec 1;13(4):e102. doi: 10.2196/jmir.1703
©Michael Stellefson, Bruce Hanik, Beth Chaney, Don Chaney, Bethany Tennant, Enmanuel Antonio Chavarria. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 01.12.2011.
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Figure 1.
Flow diagram of the article selection process.