. 2020 Sep 28;22(9):e15916. doi: 10.2196/15916
©Pavankumar Mulgund, Raj Sharman, Priya Anand, Shashank Shekhar, Priya Karadi. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 28.09.2020.
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Figure 2.
Literature search following the PRISMA guidelines. PRW: physician-rating website.