1. Lithuanian University of Health Sciences; Tilzes g. 18 Kaunas LT-47181 Lithuania
2. University of Latvia; Jelgavas iela 1 Riga LV-1004 Latvia
3. Institute of Food Safety, Animal Health and Environment; Lejupes iela 3 Riga LV-1076 Latvia
4. Institute of Food Hygiene; Universität Leipzig; An den Tierkliniken 1 Leipzig 04103 Germany
5. Kaunas University of Technology; Radvilenu pl. 19 Kaunas LT-50254 Lithuania