. 2021 Nov 26;2:727256. doi: 10.3389/fresc.2021.727256
Copyright © 2021 Nadal Castells, Ramirez Mirabal, Cuartero Archs, Perrot Gonzalez, Beranuy Rodriguez, Pintor Ojeda and Bascuñana Ambros.
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Figure 1.
Study flowchart.