1. Associate Professor, Department of Psychiatry, University of Saskatchewan. Regina, Saskatchewan.
2. Assistant Professor. Department of Psychiatry, University of Toronto, To-ronto. Ontario; Assistant Professor (part-time), Department of Psychiatry, University of Western Ontario, London, Ontario.
3. Professor and Head, Department of Psychiatry, Dalhousie University, Halifax, Nova Scotia.
4. Professor and Cameron Parker Holcombe Wilson Chair in Depression Studies. Department of Psychiatry, University of Toronto. Toronto, Ontario.