1. Canadian Blood Services Centre for Innovation, Edmonton, AB, Canada,
2. Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada,
3. Canadian Blood Services Centre for Innovation, Toronto, ON, Canada,
4. Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada,
5. The Hospital for Sick Children, Toronto, ON, Canada, and
6. Department of Paediatrics, University of Toronto, Toronto, ON, Canada