Barriers and facilitators for recruiting and retaining male participants into longitudinal health research: a systematic review.

"Declarations Ethics approval and consent to participateNo protocol approval was needed for this systematic review since no participants were involved. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This study has received cash and in-kind funding from the following organisations and institutes: Mater Foundation (NA), the University of Queensland. PG was supported by Mater Foundation, DJB was supported by Research Support Fellowship (the University of Queensland), DH was supported by the University of Queensland, HWT was supported by NHMRC ideas grant 1181053, DS was supported by Mater Health, KMR is supported by the Mater Foundation and Equity Trustees (ANZ QLD Community Foundation, QCF-ANZ Bank Fund, QCF-Thomas George Swallow Trust, The HJ Hinchey Cht Trust)."

"This systematic review protocol was registered with PROSPERO database (University of York Centre for Reviews and Dissemination) (CRD42021254696) and complies with reporting guidelines from the Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) statement []. Registration: This systemic review is registered with the PROSPERO database (CRD42021254696)."