1. Department of Human Biology and Nutritional Sciences, University of Guelph, Guelph, ON, Canada N1G 2W1
2. Department of Pathobiology, University of Guelph, Guelph, ON, Canada N1G 2W1
3. Laboratory for Skin Cancer Research, Hospital Research Center of University Laval, Ste. Foy, QC, Canada G1V 4G2
4. Unit of Health and Environment, Hospital Research Center of University Laval, Ste. Foy, QC, Canada G1V 4G2