. 2020 Jul 29;22(7):e13979. doi: 10.2196/13979
©Abdulrahman Alghamdi, Khalid Abumelha, Jawad Allarakia, Ahmed Al-Shehri. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 29.07.2020.
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Figure 1.
Overview of the process of collecting and filtering the data.