title: Longitudinal studies: Engaged cohort good for science.
authors.affiliation: University of Bristol, UK.
authors.forename: Katarzyna
authors.initials: K
authors.lastname: Kordas
authors.affiliation: University of Bristol, UK.
authors.forename: Dara
authors.initials: D
authors.lastname: O'Hare
authors.affiliation: University of Bristol, UK.
authors.forename: Makaela
authors.initials: M
authors.lastname: Jacobs-Pearson
mesh_terms: D035843:Biomedical Research / Q000379:methods*; D006801:Humans; D018579:Patient Selection; D011639:Public Opinion; D012107:Research Design