©Geoff Appelboom, Blake E Taylor, Eliza Bruce, Clare C Bassile, Corinna Malakidis, Annie Yang, Brett Youngerman, Randy D'Amico, Sam Bruce, Olivier Bruyère, Jean-Yves Reginster, Emmanuel PL Dumont, E Sander Connolly Jr. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 28.07.2015.
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