Prioritising and ranking methodological uncertainties in the design, conduct, and analysis of trials aiming to improve health outcomes for those living with multiple long-term conditions: A protocol for a modified Delphi study. - Ahmadi A; Zhang L; Bryant N; Darko N; Khunti K; Singh SJ; Simpson SA; Smith SM; Taylor RS; Witham MD; Hannah Young; Gray LJ (Journal of multimorbidity and comorbidity, 2026)