studentship in molecular, genetic, and lifecourse epidemiology (WT083431MA). LP is funded by a UK MRC Population Health Scientist fellowship (MR/J012165/1). VS was funded by the Academy of Finland (139635) and the Finnish Foundation for Cardiovascular Research. RJR acknowledges support from National Institute on Alcohol Abuse and Alcoholism (AA-12502). KA received sponsorship from the Finnish Medical Association. MP acknowledges EU FP7 Grants BBMRI-Large Prospective Cohorts (313010), and BioSHaRE (261433). YM is supported by GGZinGeest, the mental health care organization supporting NESDA. CM is supported by European Research Council (ERC) starting grant 284167 (P.I. JV). DB also acknowledges ERC support (230374). CW is supported by a Canadian Institutes of Health Research (CIHR) doctoral award. MM receives support from the National Institute for Health Research (NIHR) BioResource Clinical Research Facility and Biomedical Research Centre based at Guy’s and St Thomas’ NHS Foundation Trust and King’s College London. RFT is an Endowed Chair in Addiction for the Department of Psychiatry at the University of Toronto (CIHR grant TMH109787, NIH PGRN grant DA020830). JK is supported by Academy of Finland grants 265240 and 263278. Acknowledgements specific to individual cohorts are listed in Supplementary Information.