title: Response: FACEing reality: productive tensions between our epidemiological questions, methods and mission.
authors.affiliation: Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
authors.forename: Nancy
authors.initials: N
authors.lastname: Krieger
authors.affiliation: Integrative Epidemiology Unit at the University of Bristol, Bristol, UK.
authors.forename: George
authors.initials: G
authors.lastname: Davey Smith