Factors associated with undiagnosed and overdiagnosed COPD

Affiliations

• ¹ Dept of Medicine, Sunnybrook Health Sciences Centre, Toronto, ON, Canada Institute for Clinical Evaluative Sciences, Toronto, ON, Canada Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada The Hospital for Sick Children, Toronto, ON, Canada andrea.gershon@ices.on.ca.
• ² Institute for Clinical Evaluative Sciences, Toronto, ON, Canada.
• ³ Asthma and Airway Centre, Toronto Western Hospital, Toronto, ON, Canada.
• ⁴ Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada.
• ⁵ Respiratory Investigation Unit, Kingston General Hospital, Kingston, ON, Canada.
• ⁶ Institute for Clinical Evaluative Sciences, Toronto, ON, Canada Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada Asthma and Airway Centre, Toronto Western Hospital, Toronto, ON, Canada.
• ⁷ McGill University, Respiratory Division, Royal Victoria Hospital, Montreal, QC, Canada.
• ⁸ University of British Columbia, The UBC James Hogg Research Centre, Institute for Heart and Lung Health, St Paul's Hospital, Vancouver, BC, Canada.
• ⁹ Institute for Clinical Evaluative Sciences, Toronto, ON, Canada Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.
• ¹⁰ Institute for Clinical Evaluative Sciences, Toronto, ON, Canada Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada The Hospital for Sick Children, Toronto, ON, Canada.