. 2019 Jan 30;9:1867. doi: 10.3389/fphys.2018.01867
Copyright © 2019 Szumilewicz, Dornowski, Piernicka, Worska, Kuchta, Kortas, Błudnicka, Radzimiński and Jastrzębski.
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FIGURE 1.
The flow of participants through the study.