1 Departments of Medicine (Gupta, Cheng, Connelly) and of Family and Community Medicine (Bhattacharrya), University of Toronto, Toronto, Ont.; Divisions of Respirology (Gupta) and Cardiology (Connelly), St. Michael's Hospital; Keenan Research Centre in the Li Ka Shing Knowledge Institute of St. Michael's Hospital (Gupta, Rai, Connelly, Kastner), Toronto, Ont.; Department of Family and Community Medicine (Bhattacharrya), Women's College Hospital, Toronto, Ont.; Division of Endocrinology (Cheng), Trillium Health Partners and St. Michael's Hospital; Institut universitaire de cardiologie et de pneumologie de Québec (Boulet), Université Laval, Québec, Que.; Family Physician Airways Group of Canada (Kaplan), Richmond Hill, Ont.; Escarpment Cancer Research Institute (Brouwers), McMaster University, Hamilton, Ont.; Division of Epidemiology (Kastner), Dalla Lana School of Public Health, University of Toronto, Toronto, Ont. guptas@smh.ca.
2 Departments of Medicine (Gupta, Cheng, Connelly) and of Family and Community Medicine (Bhattacharrya), University of Toronto, Toronto, Ont.; Divisions of Respirology (Gupta) and Cardiology (Connelly), St. Michael's Hospital; Keenan Research Centre in the Li Ka Shing Knowledge Institute of St. Michael's Hospital (Gupta, Rai, Connelly, Kastner), Toronto, Ont.; Department of Family and Community Medicine (Bhattacharrya), Women's College Hospital, Toronto, Ont.; Division of Endocrinology (Cheng), Trillium Health Partners and St. Michael's Hospital; Institut universitaire de cardiologie et de pneumologie de Québec (Boulet), Université Laval, Québec, Que.; Family Physician Airways Group of Canada (Kaplan), Richmond Hill, Ont.; Escarpment Cancer Research Institute (Brouwers), McMaster University, Hamilton, Ont.; Division of Epidemiology (Kastner), Dalla Lana School of Public Health, University of Toronto, Toronto, Ont.