1. Department of Psychology; Wilfrid Laurier University; Waterloo ON Canada
2. Centre for Research on Inner City Health in the Keenan Research Centre of the Li Ka Shing Knowledge Institute of St. Michael's Hospital; Toronto ON Canada
3. Department of Preventive Medicine; Keck School of Medicine; University of Southern California; Los Angeles CA USA
4. Division of Environmental Health Sciences; School of Public Health; University of California; Berkeley CA USA
5. College of Environmental Design; University of California; Berkeley CA USA