Hormonal associations in frontal fibrosing alopecia: A systematic review

Supplement to the JAAD research letter. Contains (1) eFigure 1 PRISMA-2020 checklist/flow; (2) eMethods with verbatim search strings; (3) eTable 1 Summary of key findings from extracted studies; (4) eReferences of all referenced texts; and (5) eTable 2 risk of bias and major limitations in extracted studies.