1. Research and Development Department, Canadian Blood Services, 1800 Alta Vista Drive, Ottawa, Ontario, Canada K1G 4J5
2. Department of Biochemistry, Microbiology and Immunology, University of Ottawa, 451 Smyth Road, Ottawa, Ontario, Canada K1H 8M5
3. Canadian Blood Services – University of British Columbia, Centre for Blood Research, Department of Pathology, 2211 Wesbrook Mall, Vancouver, British Columbia, Canada V6T 2B5