Prehabilitation before cancer surgery in the UK National Health Service: what services exist, and how do they address health inequalities? - Hilary Stewart; Xiubin Zhang; Yasemin Hirst; Laura Wareing; Lisa Ashmore; Christopher Gaffney; Charlotte Hadley; Ces Kulikowski; Jo Rycroft-Malone; Clifford Shelton; Andrew Smith (PLoS ONE, 2026)