1. Department of Pharmacology, Medical Science Building, Room 4344, University of Toronto, Toronto, Ontario, Canada M5S 1A8
2. Department of Biological Research, Neuroscience SBU, Hoechst-Roussel Pharmaceuticals Inc., PO Box 2500, Route 202-206 North, Somerville, NJ 08876, USA
3. Molecular Neurobiology Laboratory, Clarke Institute of Psychiatry, 250 College Street, Toronto, Canada M5T1R8
4. Allelix Biopharmaceuticals Inc., 6850 Goreway Drive, Mississauga, Ontario, Canada L4V 1V7