1. Food and Veterinary Service Riga Latvia
2. Institute of Food Safety Animal Health and Environment—‘BIOR’ Riga Latvia
3. Friedrich‐Loeffler‐Institut Federal Research Institute for Animal Health Institute of Epidemiology Greifswald‐Insel Riems Germany
4. Latvia University of Life Sciences and Technologies Jelgava Latvia
5. Latvian State Forest Research Institute ‘Silava’ Salaspils Latvia