1. Cancer Control Research Program BC Cancer Vancouver British Columbia Canada
2. Centre de Toxicologie du Québec (CTQ) Institut National de Santé Publique du Québec (INSPQ) Québec Canada
3. Faculty of Medicine University of British Columbia Vancouver British Columbia Canada
4. Department of Dermatology and Skin Sciences University of British Columbia Vancouver British Columbia Canada
5. School of Population and Public Health University of British Columbia Vancouver British Columbia Canada