. 2018 Apr 17;7(4):e102. doi: 10.2196/resprot.9695
©Elke Hacker, Caitlin Horsham, Martin Allen, Andrea Nathan, John Lowe, Monika Janda. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 17.04.2018.
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Figure 2.
Flow chart of study participants.