“…20,27,36,59,69,78,91 Some groups used a combination of literature review, qualitative research and workshops. 31,34,53,58,65,72,73,75,77,[80][81][82]85,88,89 Some covered all lay involvement; others were restricted to specific groups such as older people, 61,80 those with a specific clinical condition, 36,59,72,75,84,87 those with or at risk of a genetic condition 72,85 or underserved or marginalized groups. 65,69,76,77,79 Most grey literature frameworks gave limited details of methodology, though one drew on academic sources 91 and two described and referenced a literature review.…”