1. Department of Medicine and
2. Department of Pathology and Molecular Medicine, Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, Canada;
3. Department of Statistics and Actuarial Science, University of Waterloo, Waterloo, ON, Canada;
4. Department of Medicine, Ottawa Hospital and University of Ottawa, Ottawa, ON, Canada;
5. University of Ottawa Centre for Transfusion, Ottawa Hospital Research Institute, Ottawa, ON, Canada;
6. Canadian Blood Services, Ottawa, ON, Canada;
7. Department of Medicine, Schulich School of Medicine, University of Western Ontario, London, ON, Canada; and
8. Canadian Blood Services, Hamilton, ON, Canada