1 Departments of Emergency Medicine and Medicine, Queens University, Kingston, Ontario, Canada; Division of Emergency Medicine, Department of Medicine, McMaster University, Hamilton, Ontario, Canada; Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.
2 Division of Hematology and Thromboembolism, Department of Medicine, McMaster University, Hamilton, Ontario, Canada.
3 Division of Hematology and Thromboembolism, Department of Medicine, McMaster University, Hamilton, Ontario, Canada; Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.