1. Research Group Neuropharmacology, Addiction and Behavior, Department of Pharmaceutical Biosciences Uppsala University Uppsala Sweden
2. Department of Clinical Science, Intervention and Technology Karolinska Institutet Stockholm Sweden
3. Department of Medical Radiation and Nuclear Medicine Karolinska University Hospital Solna Sweden
4. Department of Neuroscience Karolinska Institutet Stockholm Sweden
5. Department of Anatomy, Physiology and Biochemistry Swedish University of Agricultural Sciences Uppsala Sweden