. 2016 Jun 17;5(2):e125. doi: 10.2196/resprot.5554
©Sabina Hirshfield, Martin J Downing Jr, Jeffrey T Parsons, Christian Grov, Rachel J Gordon, Steven T Houang, Roberta Scheinmann, Patrick S Sullivan, Irene S Yoon, Ian Anderson, Mary Ann Chiasson. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 17.06.2016.
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Figure 1.
Study incentive structure.