. 2019 May 1;7(5):e10520. doi: 10.2196/10520
©Kathryn I Marko, Nihar Ganju, Jill M Krapf, Nancy D Gaba, James A Brown, Joshua J Benham, Julia Oh, Lorna M Richards, Andrew C Meltzer. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 01.05.2019.
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Figure 1.
CONSORT flow diagram.