Williams, Sean http://orcid.org/0000-0003-1460-0085
Robertson, Charli
Starling, Lindsay http://orcid.org/0000-0003-1275-6908
McKay, Carly http://orcid.org/0000-0001-7664-3211
West, Stephen http://orcid.org/0000-0001-5800-7000
Brown, James
Stokes, Keith http://orcid.org/0000-0002-5049-2838
Article History
Accepted: 11 November 2021
First Online: 2 December 2021
Declarations
:
: No funding was received to conduct this study.
: Sean Williams has received research grants from World Rugby and the Rugby Football Union in the recent past or currently. James Brown has received research grants, partial conference funding, and bursaries from World Rugby in the recent past or currently. Keith Stokes is employed by the Rugby Football Union. Charlotte Robertson, Lindsay Starling, Carly McKay, and Stephen West declare that they have no conflicts of interest relevant to the content of this review.
: SWi conducted the literature search, data extraction, statistical analyses and wrote the first draft of the manuscript. CR and LS screened abstracts/titles. CR, LS, SWe, JB and KS assessed full-text articles for eligibility. SWi and CR assessed study reporting quality. All authors contributed with notable critical appraisal of the text and approved the final version.
: Open Science Framework at ExternalRef removed
: ExternalRef removed
: Not applicable.
: Not applicable.