Received: 15 May 2021
Accepted: 5 August 2021
First Online: 15 September 2021
: This systematic literature review was conducted using ethical standards. Given the type of manuscript, no specific ethics approval or consent was required.
: All authors understand BMC Musculoskeletal Disorders is an open access journal and agree to publication with the journal if accepted.
: There are no competing interests to report from any of the authors.