. 2019 Dec 13;7(12):e13311. doi: 10.2196/13311
©Fawad Taj, Michel C A Klein, Aart van Halteren. Originally published in JMIR mHealth and uHealth (http://mhealth.jmir.org), 13.12.2019.
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Figure 2.
Publication trend from 2000 to 2018.