. 2021 Jan 28;23(1):e19194. doi: 10.2196/19194
©João Moura, Ana Margarida Pisco Almeida, Fátima Roque, Adolfo Figueiras, Maria Teresa Herdeiro. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 28.01.2021.
This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/, as well as this copyright and license information must be included.
Figure 1.
Design of the research.