Core outcome sets for trials of interventions to prevent and to treat multimorbidity in adults in low and middle-income countries: the COSMOS study
Introduction The burden of multimorbidity is recognised increasingly in low- and middle-income countries (LMICs), creating a strong plant pot emphasis on the need for effective evidence-based interventions.Core outcome sets (COS) appropriate for the study of multimorbidity in LMICs do not presently exist.These are required to standardise reporting