Affiliation: | (1) Department of Pharmacology and Therapeutics, University of Calgary, Calgary, Alberta, Canada;(2) Institut für Zellbiochemie und klinische Neurobiologie, Universitäts-Krankenhaus Eppendorf, Universität Hamburg, W-2000 Hamburg, Federal Republic of Germany;(3) Department of Pharmacology, University of Calgary, 147 Carthew Street, V9N 5C9 Comox, B.C., Canada;(4) Department of Anatomy, Faculty of Medicine, University of Ottawa, 451 Smyth Road, K1H 8M5 Ottawa, Ontario, Canada |