%0 Journal Article %T Choosing important health outcomes for comparative effectiveness research: An updated systematic review and involvement of low and middle income countries %A Douglas G. Altman %A Elizabeth Gargon %A Jane M. Blazeby %A Katherine Davis %A Mike Clarke %A Nicola Harman %A Paula R. Williamson %A Sarah L. Gorst %A Sean Tunis %A Valerie Smith %J Archive of "PLoS ONE". %D 2018 %R 10.1371/journal.pone.0190695 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5810981/