1. Department of Internal Medicine University of Manitoba Winnipeg Manitoba Canada
2. Research Institute in Oncology and Hematology CancerCare Manitoba Winnipeg Manitoba Canada
3. Department of Community Health Sciences University of Manitoba Winnipeg Manitoba Canada
4. Department of Epidemiology CancerCare Manitoba Winnipeg Manitoba Canada
5. Department of Surgery University of Manitoba Winnipeg Manitoba Canada
6. Center for Surveillance and Applied Research Public Health Agency of Canada Ottawa Ontario Canada