Evaluation of patient-reported outcome protocol content and reporting in UK cancer clinical trials: the EPiC study qualitative protocol

Ameeta Retzer, Thomas Keeley, Khaled Ahmed, Jo Armes, Julia M Brown, Lynn Calman, Chris Copland, Fabio Efficace, Anna Gavin, Adam Glaser, Diana M Greenfield, Anne Lanceley, Rachel M Taylor, Galina Velikova, Michael Brundage, Rebecca Mercieca-Bebber, Madeleine T King, Melanie Calvert, Derek Kyte