. 2014 May 1;16(5):e117. doi: 10.2196/jmir.3229
©Patrick Yuan, Michael G Bare, Mallory O Johnson, Parya Saberi. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 01.05.2014.
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Figure 1.
Number of Survey Clicks, Twitter Interactions, Facebook Interactions, and Facebook Ad Clicks in June 2013.