. 2017 Mar 1;4(1):e6. doi: 10.2196/humanfactors.6502
©Holly O Witteman, Justin Presseau, Emily Nicholas Angl, Iffat Jokhio, JD Schwalm, Jeremy M Grimshaw, Beth Bosiak, Madhu K Natarajan, Noah M Ivers. Originally published in JMIR Human Factors (http://humanfactors.jmir.org), 01.03.2017.
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Figure 12.
Envelope for first mailing at month 1.