1 Doctor of Medicine Program (DeKoven), Schulich School of Medicine and Dentistry, London, Ont.; Division of Occupational Medicine (DeKoven, Holness), Department of Medicine, St. Michael's Hospital; Dalla Lana School of Public Health and Department of Medicine (Holness), University of Toronto; Centre for Urban Health Solutions (Holness), Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ont. sdekoven2018@meds.uwo.ca.
2 Doctor of Medicine Program (DeKoven), Schulich School of Medicine and Dentistry, London, Ont.; Division of Occupational Medicine (DeKoven, Holness), Department of Medicine, St. Michael's Hospital; Dalla Lana School of Public Health and Department of Medicine (Holness), University of Toronto; Centre for Urban Health Solutions (Holness), Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ont.