. 2016 Apr 15;5(2):e65. doi: 10.2196/resprot.5332
©Alex R Kelman, Meagan L Stanley, Alinne Z Barrera, Michelle Cree, Yotam Heineberg, Paul Gilbert. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 15.04.2016.
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Figure 1.
Design of the study.