1. Department of Mental Disorders, Norwegian Institute of Public Health, Oslo, Norway.
2. Department of Psychology, University of Oslo, Oslo, Norway.
3. Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, Virginia.
4. Adult Psychiatry Unit, Institute of Clinical Medicine, University of Oslo.
5. PharmacoEpidemiology and Drug Safety Research Group, School of Pharmacy, University of Oslo.