. 2016 Dec 19;4(4):e135. doi: 10.2196/mhealth.5931
©Rachel K Sullivan, Samantha Marsh, Jakob Halvarsson, Michelle Holdsworth, Wilma Waterlander, Maartje P Poelman, Jennifer Ann Salmond, Hayley Christian, Lenny SC Koh, Janet E Cade, John C Spence, Alistair Woodward, Ralph Maddison. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 19.12.2016.
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