. 2022 Jan 31;11(1):e25690. doi: 10.2196/25690
©Jeadran N Malagon-Rojas, Diana Carolina Pinzón-Silva, Eliana L Parra, Luisa F Lagos M, Yesith Guillermo Toloza-Perez, Luis Jorge Hernández Florez, Ricardo Morales Betancourt, Sol Angie Romero, Ana Paola Ríos Cabra, Olga L Sarmiento. Originally published in JMIR Research Protocols (https://www.researchprotocols.org), 31.01.2022.
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 JMIR Research Protocols, is properly cited. The complete bibliographic information, a link to the original publication on https://www.researchprotocols.org, as well as this copyright and license information must be included.
Figure 2.
Three roads to be evaluated with a gradient of air quality from low to high.