Affiliation: | 1. MRC Centre for Causal Analyses in Translational Epidemiology (CAiTE), School of Social and Community Medicine, University of Bristol, United Kingdom;2. School of Social and Community Medicine, University of Bristol, United Kingdom;3. Population Research Unit, Department of Social Research, University of Helsinki, Helsinki, Finland;4. Child and Adolescent Public Health Epidemiology, Department of Public Health Sciences, Karolinska Institute, Stockholm, Sweden |