1. Department of Clinical Medicine; Aarhus University Hospital; Aarhus Denmark
2. Department P - Research; Aarhus University Hospital - Risskov; Risskov Denmark
3. University of Massachusetts Medical School and University of Massachusetts Memorial Health Care; Worcester MA USA
4. Department of Psychiatry; University Health Network; Toronto ON Canada
5. Department of Psychiatry; University of Toronto; Toronto ON Canada
6. Centre for Addiction and Mental Health; Toronto ON Canada
7. Department of Psychiatry; Western Psychiatric Institute and Clinic; University of Pittsburgh School of Medicine; Pittsburgh PA USA
8. King's College Hospital; Denmark Hill London UK
9. Psychiatric Research Unit; Psychiatric Center North Zealand; Copenhagen University Hospital; Hillerød Denmark
10. Weill Cornell Medical College and New York Presbyterian Hospital - Westchester Division; White Plains NY USA