1. Canadian Blood Services, Ottawa, ON, Canada K1G 4J5
2. Research and Development, Australian Red Cross Blood Service, Sydney, NSW, Australia
3. Canadian Blood Services, 8249-114 Street, Edmonton, AB, Canada T6G 2R8
4. Department of Laboratory Medicine and Pathology, University of Alberta, 8249-114 Street, Edmonton, AB, Canada T6G 2R8
5. Canadian Blood Services, Hamilton, ON, Canada
6. Department of Pathology and Molecular Medicine, McMaster University, HSC 4N66, 1200 Main Street West, Hamilton, ON, Canada L8N 3Z5