Effectiveness of interventions for managing multiple high-burden chronic diseases in older adults: a systematic review and meta-analysis by Kastner, M, Cardoso, R, Lai, Y, Treister, V, Hamid, J, Hayden, L, Wong, G, Ivers, N, Liu, B, Marr, S, Holroyd-Leduc, J, Straus, S

Underlying mechanisms of complex interventions addressing the care of older adults with multimorbidity: a realist review by Kastner, M, Hayden, L, Wong, G, Lai, Y, Makarski, J, Treister, V, Chan, J, Lee, JH, Ivers, NM, Holroyd-Leduc, J, Straus, SE