. 2015 May 5;4(2):e50. doi: 10.2196/resprot.4032
©Janine Clarke, Veronica Vatiliotis, Charles F Verge, Jane Holmes-Walker, Lesley V Campbell, Kay Wilhelm, Judy Proudfoot. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 05.05.2015.
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Figure 1.
Study flow chart.