May, Carl R, Gravenhorst, Katja C, Hillis, Alyson, Arber, Mick, Chew-Graham, Carolyn A, Gallacher, Katie I, Mair, Frances S, Nolte, Ellen, Richardson, Alison, "How lived experiences of illness trajectories, burdens of treatment, and social inequalities shape service user and caregiver participation in health and social care: a theory-informed qualitative evidence synthesis", Health and Social Care Delivery Research, 2025