1. Department of Psychiatry Radboud University Medical Center The Netherlands
2. Donders Center for Medical Neuroscience Donders Institute for Brain, Cognition and Behavior The Netherlands
3. Tactus Addiction Care The Netherlands
4. Behavioural Science Institute Radboud University The Netherlands
5. Faculty of Medicine Amsterdam Medical Centre and University of Amsterdam The Netherlands
6. Genetic Epidemiology, Statistical Genetics and Translational Neurogenomics Laboratories QIMR Berghofer Medical Research Institute Australia
7. Brain and Mind Centre University of Sydney Australia
8. Department of Psychology Virginia Commonwealth University Richmond VA USA
9. Faculty of Business Karbük University Turkey
10. Department of African American Studies Virginia Commonwealth University Richmond VA USA
11. School of Medicine and School of Psychology University of Queensland Australia
12. Department of Biological Psychology Vrije Universiteit Amsterdam The Netherlands
13. Netherlands Twin Register The Netherlands
14. Department of Genetics and Computational Biology QIMR Berghofer Medical Research Institute Australia
15. School of Biomedical Sciences and Institute of Health and Biomedical Innovation Queensland University of Technology Australia
16. Virginia Institute for Psychiatric and Behavior Genetics, Department of Psychiatry Virginia Commonwealth University Richmond VA USA
17. Nijmegen Institute for Scientist‐Practitioners in Addiction The Netherlands