. 2016 May 30;18(5):e140. doi: 10.2196/jmir.5221
©Kai Ivar Müller, Karl Bjørnar Alstadhaug, Svein Ivar Bekkelund. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 30.05.2016.
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Figure 1.
Flow of participants through the study.