. 2022 Feb 22;10:844669. doi: 10.3389/fpubh.2022.844669
Copyright © 2022 Knitza, Muehlensiepen, Ignatyev, Fuchs, Mohn, Simon, Kleyer, Fagni, Boeltz, Morf, Bergmann, Labinsky, Vorbrüggen, Ramming, Distler, Bartz-Bazzanella, Vuillerme, Schett, Welcker and Hueber.
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Figure 1.
Trial flow chart.