Footnotes

• Twitter @loaialbarqouni, @vmontori, @minnajohansson1

• Correction notice Since this paper first published, the author surname Johannson has been updated to read Johansson.

• Contributors MJ conceived the idea for this project and drafted the project plan. MJ, MR and LA performed the screening. MJ and LA performed data extraction, formal analysis and drafted the manuscript; are guarantors and accepted full responsibility for the work and the conduct of the study; had access to the data; and controlled the decision to publish. The corresponding author attested that all listed authors meet authorship criteria and that no one meeting the criteria have been omitted. All authors contributed with important intellectual content to develop the project plan through reviewing and editing the manuscript and approved the final version of the manuscript.

• Funding This project was partly funded by Swedish Research Council for Health, Working Life, and Welfare (project number 2019-00928). The funders had no role in considering the study design or in the collection, analysis, interpretation of data, writing of the report or decision to submit the article for publication.

• Competing interests None declared.

• Provenance and peer review Not commissioned; externally peer reviewed.