Affiliation: | 1.Department of Biology,University of Oulu,Oulu,Finland;2.Finnish Food Safety Authority Evira,Risk Assessment Research Unit,Helsinki,Finland;3.Department of Environmental Health,National Institute for Health and Welfare,Kuopio,Finland;4.Finnish Game and Fisheries Research Institute,Reindeer Research Station,Kaamanen,Finland;5.University of Helsinki,Helsinki,Finland |