. 2016 Mar 14;4(1):e21. doi: 10.2196/mhealth.4398
©Lisa Militello, Bernadette Mazurek Melnyk, Eric B. Hekler, Leigh Small, Diana Jacobson. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 14.03.2016.
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Figure 3.
Flow diagram of participant recruitment.