. 2014 Jan 28;16(1):e30. doi: 10.2196/jmir.2973
©Mee Huong Lai, Thambu Maniam, Lai Fong Chan, Arun V Ravindran. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 28.01.2014.
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Figure 1.
Flow chart of identification, screening, eligibility assessment, and final inclusion of number of articles.