1. Department of Chemistry, University of Western Ontario, 1151 Richmond Street, London, Ontario N6A 5B7, Canada
2. Departments of Oncology and Medical Imaging, University of Western Ontario, 1151 Richmond Street, London, Ontario N6A 5B7, Canada
3. London Regional Cancer Program, Lawson Health Research Institute, 790 Commissioners Road East, London, Ontario N6A 4L6, Canada