Patient and public involvement and engagement in methodology research: process, experiences, and recommendations from the SPIRIT- and CONSORT-Surrogate project.

Anthony Muchai Manyara, Derek Stewart, Sarah Markham, Andrew Worrall, Ray Harris, Philippa Davies, Christopher J Weir, Amber E Young, Jane Blazeby, Nancy J Butcher, Sylwia Bujkiewicz, An-Wen Chan, Dalia Dawoud, Martin Offringa, Mario Ouwens