. 2013 Jul 11;15(7):e134. doi: 10.2196/jmir.2565
©Reid K Hester, Kathryn L Lenberg, William Campbell, Harold D Delaney. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 11.07.2013.
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Figure 2.
Flowchart of participant flow and follow-up.