1. Centre de recherche sur le cancer de l'Université Laval, CRCHU de Québec, L'Hôtel-Dieu de Québec, Québec, Canada
2. Present address: CRIUCPQ, Québec, Canada
3. NYU Neuroscience Institute, Department of Neuroscience and Physiology, NYU School of Medicine, New York, USA
4. Department of Neurosciences, Case Western Reserve University School of Medicine, Cleveland, USA
5. Department of Biology, Barnard College-Columbia University, New York, USA