1 Department of Medicine, University of Toronto, Institute for Clinical Evaluative Sciences (ICES), Toronto and Ottawa, Institute of Health Policy, Management and Evaluation, University of Toronto, and the Department of Medicine, Sinai Health System, Toronto, Ontario, Canada. Electronic address: kieran.quinn@sinaihealth.ca.
2 Department of Medicine, University of Toronto, Institute for Clinical Evaluative Sciences (ICES), Toronto and Ottawa, Institute of Health Policy, Management and Evaluation, University of Toronto, and the Department of Medicine, Sinai Health System, Toronto, Ontario, Canada.