. 2020 Jul 17;11:699. doi: 10.3389/fneur.2020.00699
Copyright © 2020 Aam, Einstad, Munthe-Kaas, Lydersen, Ihle-Hansen, Knapskog, Ellekjær, Seljeseth and Saltvedt.
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Figure 1.
Flowchart of participants included in the study.