1 Department of Public Health Sciences, Queen's University, Canada.
2 Department of Cancer Epidemiology and Prevention Research, Alberta Health Services, Canada; Department of Oncology, Cumming School of Medicine, University of Calgary, Canada; Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Canada.
3 Department of Cancer Epidemiology and Prevention Research, Alberta Health Services, Canada.
4 Surveillance and Cancer Registry, Cancer Care Ontario, Canada.
5 Occupational Cancer Research Centre, Cancer Care Ontario, Canada.
6 College of Public Health and Human Sciences, Oregon State University, USA.
7 Canadian Cancer Society, Canada.
8 Department of Health Sciences, Carleton University, Canada.
9 Faculty of Health Sciences, McMaster University, Canada.