title: Treatment Effect Heterogeneity in Clinical Trials: An Evaluation of 13 Large Clinical Trials Using Individual Patient Data.
authors.affiliation: Tufts Medical Center/Tufts University School of Medicine, Boston, MA, USA.
authors.forename: D M
authors.initials: DM
authors.lastname: Kent
authors.affiliation: Tufts Medical Center/Tufts University School of Medicine, Boston, MA, USA.
authors.forename: J
authors.initials: J
authors.lastname: Nelson
authors.affiliation: University of Oxford, Oxford OX2 6UD, UK.
authors.forename: D G
authors.initials: DG
authors.lastname: Altman
authors.affiliation: University of Michigan, Ann Arbor, MI, USA.
authors.forename: R A
authors.initials: RA
authors.lastname: Hayward