1 Department of Epidemiology, Harvard University T.H. Chan School of Public Health, Boston, Massachusetts, USA.
2 Department of Chronic Diseases and Ageing, Norwegian Institute of Public Health, Oslo, Norway.
3 Department of Mental Disorders, Norwegian Institute of Public Health, Oslo, Norway.
4 Department of Psychology, PROMENTA Research Center, University of Oslo, Oslo, Norway.
5 Department of Pharmacy, PharmaTox Strategic Research Initiative, Pharmacoepidemiology and Drug Safety Research Group, University of Oslo, Oslo, Norway.
6 Department of Child Health and Development, Norwegian Institute of Public Health, Oslo, Norway.