1. Department of Anatomy and Cell Biology, The Schulich School of Medicine and Dentistry, The University of Western Ontario, London, Canada.
2. Department of Physiology and Pharmacology, The Schulich School of Medicine and Dentistry, The University of Western Ontario, London, Canada.
3. Department of Medical Biophysics, The Schulich School of Medicine and Dentistry, The University of Western Ontario, London, Canada.