Department of Pharmacology, University of Toronto, Toronto, Ontario, Canada (N.T., P.C.B., I.D.M., A.B.O.); National Public Health Institute, Kuopio, Finland (J.T.); National Veterinary and Food Research Institute, Laboratory of Toxicology, Kuopio, Finland (R.P.); and Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland (R.P.)

Department of Pharmacology, University of Toronto, Toronto, Ontario, Canada (N.T., P.C.B., I.D.M., A.B.O.); National Public Health Institute, Kuopio, Finland (J.T.); National Veterinary and Food Research Institute, Laboratory of Toxicology, Kuopio, Finland (R.P.); and Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland (R.P.)

Department of Pharmacology, University of Toronto, Toronto, Ontario, Canada (N.T., P.C.B., I.D.M., A.B.O.); National Public Health Institute, Kuopio, Finland (J.T.); National Veterinary and Food Research Institute, Laboratory of Toxicology, Kuopio, Finland (R.P.); and Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland (R.P.)

Department of Pharmacology, University of Toronto, Toronto, Ontario, Canada (N.T., P.C.B., I.D.M., A.B.O.); National Public Health Institute, Kuopio, Finland (J.T.); National Veterinary and Food Research Institute, Laboratory of Toxicology, Kuopio, Finland (R.P.); and Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland (R.P.)

Department of Pharmacology, University of Toronto, Toronto, Ontario, Canada (N.T., P.C.B., I.D.M., A.B.O.); National Public Health Institute, Kuopio, Finland (J.T.); National Veterinary and Food Research Institute, Laboratory of Toxicology, Kuopio, Finland (R.P.); and Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland (R.P.)

Department of Pharmacology, University of Toronto, Toronto, Ontario, Canada (N.T., P.C.B., I.D.M., A.B.O.); National Public Health Institute, Kuopio, Finland (J.T.); National Veterinary and Food Research Institute, Laboratory of Toxicology, Kuopio, Finland (R.P.); and Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland (R.P.)