1School of Psychology, 11 Marie-Curie, Vanier Hall Rm. 214, University of Ottawa, Ottawa, ON, K1N 6N5, Canada
2Department of Cellular and Molecular Medicine, 11 Marie-Curie, Vanier Hall Rm. 214, University of Ottawa, Ottawa, ON, K1N 6N5, Canada
3National Cancer Institute, Rockville, MD, USA
4Institute of Neuroscience, Carleton University, Ottawa, ON, Canada
5Corresponding Author and Address: Z. Merali, School of Psychology, 11 Marie-Curie, Vanier Hall Rm. 214, University of Ottawa, Ottawa, ON, K1N 6N5, Canada
Received 16 June 1999; accepted 19 July 1999
