Affiliation: | 1. Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA;2. Pharmacoepidemiology and Drug Safety Research Group, School of Pharmacy, University of Oslo, Oslo, Norway;3. PharmaTox Strategic Research Initiative, Faculty of Mathematics and Natural Sciences, University of Oslo, Oslo, Norway;4. Department of Child Health and Development, Norwegian Institute of Public Health, Oslo, Norway |