. 2021 Mar 9;23(3):e24363. doi: 10.2196/24363
©Sandra Sülz, Hilco J van Elten, Marjan Askari, Anne Marie Weggelaar-Jansen, Robbert Huijsman. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 09.03.2021.
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Figure 2.
Level of integration in 55 included studies (represented as bars).