1. 1 Canadian Blood Services, Toronto, Canada
2. 2 Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
3. 3 Department of Medicine, University of Toronto, Toronto, Canada
4. 4 Department of Microbiology and Immunology, Dalhousie University, Halifax, Canada
5. 5 Department of Women's Services and Programs, Hemophilia Ontario, Toronto, Canada
6. 6 Lyle. S. Hallman Faculty of Social Work, Wilfrid Laurier University, Waterloo, Canada
7. 7 Department of Medicine, and Department of Laboratory Medicine and Pathobiology, St. Michael's Hospital, Li Ka Shing Knowledge Institute, Toronto, Canada