1. Division of Hematology; Department of Medicine; Western University; London ON Canada
2. Division of Hematology; Department of Medicine; University of British Columbia; Vancouver BC Canada
3. Department of Clinical Epidemiology and Biostatistics; McMaster University; Hamilton ON Canada
4. Department of Medicine and The Southern Alberta Rare Blood and Bleeding Disorders Comprehensive Care Program; University of Calgary and Alberta Health Services; Calgary AB Canada
5. Division of Hematology; University of Saskatchewan; Saskatoon AB Canada