A mixed methods study protocol evaluating early screening, triaging, risk assessment and health optimisation in perioperative pathways - Katie Gilchrist; Bo Hou; James Bedford; Patrick Nyikavaranda; Margaret Ogden; Grainne Brady; Angus I. G. Ramsay; Ramani Moonesinghe; Snehal M. Pinto Pereira; Cecilia Vindrola-Padros (PLoS ONE, 2025)