. 2020 Mar 26;6(1):e16191. doi: 10.2196/16191
©Robin C Stevens, Bridgette M Brawner, Elissa Kranzler, Salvatore Giorgi, Elizabeth Lazarus, Maramawit Abera, Sarah Huang, Lyle Ungar. Originally published in JMIR Public Health and Surveillance (http://publichealth.jmir.org), 26.03.2020.
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Figure 1.
Data flow diagram. API: application programming interface; NLP: natural language processing.