1. Population Studies and Surveillance, Cancer Care Ontario, Toronto, Ontario, Canada M5G 2L7
2. Occupational Cancer Research Centre, Toronto, Ontario, Canada M5G 1X3
3. Division of Epidemiology
4. Division of Occupational and Environmental Health
5. Population Studies Division, Health Canada, Ottawa, Ontario, Canada K1A 0K9
6. Department of Chemistry, Virginia Commonwealth University, Richmond, Virginia 23284
7. Department of Statistical Sciences and Operations Research, Virginia Commonwealth University, Richmond, Virginia 23284
8. Department of Biosciences, The Ohio State University, Columbus, Ohio 43210
9. TruGreen, Powell, Ohio 43065
10. Department of Environmental Health Sciences, University of Michigan, Ann Arbor, Michigan 48109