[\'Marie Curie Palliative Care Research Department, Division of Psychiatry, UCL, London, UK daisy.mcinnerney.18@ucl.ac.uk.\', \'Marie Curie Palliative Care Research Department, Division of Psychiatry, UCL, London, UK.\']
Let It Out (LIO) study: protocol for a mixed-methods study to optimise the design and assess the feasibility of an online emotional disclosure-based intervention in UK hospices.