Rudolf Uher1,2,3, Raymond W Lam4, Sidney H Kennedy5,6. 1. uher@dal.ca. 2. Dalhousie University, Department of Psychiatry, Halifax, Nova Scotia, Canada. 3. Nova Scotia Health, Halifax, Nova Scotia, Canada. 4. Department of Psychiatry, University of British Columbia, Vancouver, British Columbia, Canada. 5. Department of Psychiatry, University of Toronto, Ontario, Canada. 6. Department of Psychiatry, St Michael's Hospital, University of Toronto, Ontario, Canada.