1. Department of Pharmacology and Therapeutics, McGill University, 3655 Promenade Sir William Osler, Montreal, Quebec, Canada H3G 1Y6
2. Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec, Canada H3A 0B8
3. Department of Anatomy and Cell Biology, McGill University, Montreal, Quebec, Canada H3A 0C7
4. Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada H3A 2B4