1. SAFOSO AG Liebefeld Switzerland
2. Current address: Section of Epidemiology Vetsuisse Faculty University of Zürich Zürich Switzerland
3. Institute of Experimental and Clinical Veterinary Medicine (IECVM) Kharkiv Ukraine
4. Institute of Veterinary Medicine (IVM) Kyiv Ukraine
5. National University of Life and Environmental Sciences (NULES) Kyiv Ukraine
6. Labyrinth Global Health, Inc. St Petersburg Florida USA