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. 2022 Jun 8;56(15):870–876. doi: 10.1136/bjsports-2021-105059

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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY. Published by BMJ.

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Flowchart. (A) minus 2 baseline questionnaires, 1 because of study withdrawal and 1 was incomplete. (B) minus 1 study withdrawal, who had no available data.