1. Department of Clinical Neuroscience, Division of Psychology, Karolinska Institutet, Stockholm, Sweden.
2. Department of Public Health Sciences, Epidemiology of Mental Health Division, Karolinska Institutet.
3. Department of Neuroscience, Uppsala University, Uppsala, Sweden.
4. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet.
5. Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden.
6. Department of Clinical Neuroscience, Centre for Psychiatry Research, Karolinska Institutet.
7. McLean Hospital and Department of Psychiatry, Harvard Medical School, Boston, Massachusetts.