5 St. Joseph's Healthcare, Hamilton, Ontario, Canada.
6 Department of Medicine, University of Ottawa, Ontario, Canada; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ontario, Canada.
7 Department of Medicine, University of Toronto, Canada; Division of Hematology/Oncology, St. Michael's Hospital, Unity Health Toronto, Toronto, Canada.
8 Department of Surgery, McMaster University, Hamilton, Ontario, Canada; St. Joseph's Healthcare, Hamilton, Ontario, Canada.
9 Department of Medicine, McMaster University, Hamilton, Ontario, Canada. Electronic address: siraj.mithoowani@medportal.ca.