Exploring perspectives of knowledge users about reporting on health equity in observational studies: a qualitative study informing the development of the STROBE-Equity reporting guideline. - Simpson D; Dewidar O; Ghogomu E; Aliyeva K; Bhutta Z; Barker LC; Cuervo LG; Ellingwood HN; Faber S; Feng C; Funnell S; Hardy BJ; et al. (International journal for equity in health, 2026)