1. Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33520 Tampere, Finland
2. Department of Health Security, Finnish Institute for Health and Welfare, THL, Neulaniementie 4, 70210 Kuopio, Finland
3. Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Agnes Sjöbergin katu 2, FI00014 Helsinki, Finland
4. Finnish Food Authority, Ruokavirasto, Alvar Aallon katu 5, 60100 Seinäjoki, Finland