title: Commentary: Smoking in pregnancy and offspring health: early insights into family-based and 'negative control' studies?
authors.affiliation: Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, USA, New York State Psychiatric Institute, New York, USA and MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, USA, New York State Psychiatric Institute, New York, USA and MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK kmk2104@columbia.edu.
authors.forename: Katherine M
authors.initials: KM
authors.lastname: Keyes
authors.affiliation: Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, USA, New York State Psychiatric Institute, New York, USA and MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK.
authors.forename: George Davey
authors.initials: GD
authors.lastname: Smith
authors.affiliation: Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, USA, New York State Psychiatric Institute, New York, USA and MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, USA, New York State Psychiatric Institute, New York, USA and MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK.
authors.forename: Ezra
authors.initials: E
authors.lastname: Susser