1 Bloomberg Faculty of Nursing, University of Toronto, Toronto, Canada; Dalla Lana School of Public Health, University of Toronto, Toronto, Canada; Center for Urban Health Solutions, Li Ka Shing Knowledge Institute, Keenan Research Center, St Mike's Hospital, Toronto, Canada. Electronic address: carles.muntaner@utoronto.ca.
2 Dalla Lana School of Public Health, University of Toronto, Toronto, Canada; Center for Urban Health Solutions, Li Ka Shing Knowledge Institute, Keenan Research Center, St Mike's Hospital, Toronto, Canada.
3 Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, USA.