1. Department of Medicine, McMaster University and Thrombosis and Atherosclerosis Research Institute, Hamilton, Ontario, Canada
2. Department of Hematology, Karolinska Institutet, Stockholm, Sweden
3. Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
4. Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada
5. Department of Clinical Pathology, Sunnybrook Health Sciences Centre, University of Toronto, Ontario, Canada
6. Department of Laboratory Medicine and Pathobiology, University of Toronto, Ontario, Canada
7. Department of Clinical Pathology, University Health Network, University of Toronto, Toronto, Ontario, Canada
8. Department of Medicine, The Ottawa Hospital Research Institute at the University of Ottawa, Ottawa, Ontario, Canada
9. Department of Emergency Medicine, Trillium Hospital, Mississauga, Ontario, Canada
10. Department of Medicine, Western University, London, Ontario, Canada