. 2019 Apr 5;7(4):e12578. doi: 10.2196/12578
©Jennifer Nicholas, Katie Shilton, Stephen M Schueller, Elizabeth L Gray, Mary J Kwasny, David C Mohr. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 05.04.2019.
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