1. Interdepartmental Division of Critical Care and
2. Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada;
3. Toronto General Hospital, Toronto, Ontario, Canada;
4. University of Glasgow, Glasgow, United Kingdom;
5. King’s College Hospital National Health Service Foundation Trust, London, United Kingdom;
6. Mount Sinai Hospital, Toronto, Ontario, Canada; and
7. Division of Medical Oncology and Hematology, University of Toronto, Toronto, Ontario, Canada;
8. Princess Margaret Cancer Centre, Toronto, Ontario, Canada