1. Division of Biological Research on Drug Dependence, Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
2. Faculty of Medicine, NORMENT, University of Oslo, Oslo, Norway
3. Department of Genetics, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands
4. Department of Neuroscience, Science for Life Laboratory, Karolinska Institute, Stockholm, Sweden
5. Department of Psychiatry and Human Behavior, University of Mississippi Medical Center, Jackson, MS, USA
6. Discipline of Pathology, Sydney Medical School, University of Sydney, Sydney NSW, Australia
7. Zymo Research Corporation, 17062 Murphy Avenue, Irvine, CA, USA
8. Division of Human Genetics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
9. Department of Medical Sciences, Molecular Medicine and Science for Life Laboratory, Uppsala University, Uppsala, Sweden