1 Department of Medicine, Division of Hematology, The Ottawa Hospital, Ottawa, ON, Canada; Ottawa Hospital Research Institute, Ottawa, ON, Canada.
2 Department of Medicine, McMaster University, Hamilton, Canada.
3 Ottawa Hospital Research Institute, Ottawa, ON, Canada; Department of Emergency Medicine, University of Ottawa, Ottawa, ON, Canada.
4 Department of Anesthesia, Hamilton Health Sciences, McMaster University, Hamilton, Canada.
5 Department of Surgery, Division of General Surgery, The Ottawa Hospital, Ottawa, ON, Canada.
6 Department of Medicine, Division of Cardiology, University of Toronto, Toronto, ON, Canada.
7 Department of Medicine, Division of Gastroenterology, The Ottawa Hospital, Ottawa, ON, Canada.
8 Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa, ON, Canada.
9 Department of Medicine, Division of Hematology, The Ottawa Hospital, Ottawa, ON, Canada; Ottawa Hospital Research Institute, Ottawa, ON, Canada. Electronic address: mcarrier@toh.ca.