1. Department of Developmental Psychology and EMGO Institute for Health and Care Research, VU University, Amsterdam, the Netherlands
2. Addictions Department, Institute of Psychiatry, King’s College London, London, England
3. Department of Psychiatry, Washington University School of Medicine, St Louis, Missouri
4. Faculty of Arts and Social Sciences, University of the Sunshine Coast, Sippy Downs, Australia
5. Genetic Epidemiology, QIMR Berghofer Medical Research Institute, Brisbane, Australia