. 2016 Apr 20;4(2):e36. doi: 10.2196/mhealth.5202
©Susan M. Breitenstein, Louis Fogg, Edith V. Ocampo, Diana I. Acosta, Deborah Gross. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 20.04.2016.
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Figure 2.
CONSORT flow diagram.