. 2020 Jul 21;11:826. doi: 10.3389/fphys.2020.00826
Copyright © 2020 Dominguez-Balmaseda, Diez-Vega, Larrosa, San Juan, Issaly, Moreno-Pérez, Burgos, Sillero-Quintana, Gonzalez, Bas, Roller and Pérez-Ruiz.
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FIGURE 1.
Study flow chart.