1. London Regional Cancer Program, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ont., Canada
2. Department of Oncology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ont., Canada
3. Department of Anatomy & Cell Biology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ont., Canada
4. Department of Pathology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ont., Canada
5. London Health Sciences Centre, London, Ont., Canada