1. McMaster Centre for Transfusion ResearchMcMaster University Hamilton Ontario Canada
2. Department of Medicine, Faculty of Health SciencesMcMaster University Hamilton Ontario Canada
3. Department of Statistics and Actuarial ScienceUniversity of Waterloo Waterloo Ontario Canada
4. Medical OfficeCanadian Blood Services Hamilton Ontario Canada
5. Centre for InnovationCanadian Blood Services Edmonton Alberta Canada
6. Department of Laboratory Medicine and PathologyUniversity of Alberta Edmonton Alberta Canada