. 2020 Mar 5;8(1):e13459. doi: 10.2196/13459
©Nahid Sharifzadeh, Hadi Kharrazi, Elham Nazari, Hamed Tabesh, Maryam Edalati Khodabandeh, Somayeh Heidari, Mahmood Tara. Originally published in JMIR Serious Games (http://games.jmir.org), 05.03.2020.
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Figure 4.
Publications by study design and stratified by user groups. RCT: randomized controlled trial.