1. Center for Experimental Drugs and Diagnostics, Department of Psychiatry and Center for Human Genetic Research; Massachusetts General Hospital; Boston; Massachusetts
2. University Psychiatric Clinic; Ljubljana; Slovenia
3. Croatian Institute for Brain Research; Medical School University of Zagreb; Croatia
4. Centre for Psychiatric Research; Aarhus University Hospital; Risskov; Denmark
5. Department of Psychiatry; University of Bonn; Germany
6. MRC Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry; King's College London; United Kingdom