1. Michael G. DeGroote School of Medicine, Department of Medicine and Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada;
2. Michael G. DeGroote Initiative for Innovation in Healthcare, McMaster University, Hamilton, ON, Canada;
3. Department of Medicine, McMaster University, Hamilton, ON, Canada;
4. McMaster Centre for Transfusion Research, Hamilton, ON, Canada; and
5. Canadian Blood Services, Hamilton, ON, Canada