1. Laboratories of Excellence, Ion Channel Science and Therapeutics, Institut de Genomique Fonctionelle, Centre National de la Recherche Scientifique, Montpellier, France; Department of Physiology and Pharmacology, University of Calgary, Calgary, Canada; Neuroscience & Mental Health Program, Hospital for Sick Children, and Department of Physiology, University of Toronto, Toronto, Canada; and Department of Neuroscience, Carleton University, Ottawa, Canada