Exploring the cascade of mental healthcare among people with HIV experiencing depressive symptoms in the UK and Ireland: the POPPY study - Okhai, H; Winston, A; Post, F; Boffito, M; Mallon, P; Vera, J; Williams, I; Sachikonye, M; Johnson, M; Anderson, J; Prechtl, C; Caroline, S; et al. (HIV Medicine, 2025)