Improving social justice in observational studies: protocol for the development of a global and Indigenous STROBE-equity reporting guideline. - Funnell S; Jull J; Mbuagbaw L; Welch V; Dewidar O; Wang X; Lesperance M; Ghogomu E; Rizvi A; Akl EA; Avey MT; Antequera A; et al. (International journal for equity in health, 2023)