1. Department of Infectious Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Cluj-Napoca, Romania
2. Laboratory of Veterinary Epidemiology and Economic, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Warsaw, Poland
3. Faculty of Furniture Design and Wood Engineering, Department of Wood Processing and Wood Products Design, Transilvania University of Brasov, Brasov, Romania
4. Biological and Agricultural Engineering Department, Louisiana State University and LSU Agricultural Center, Baton Rouge, LA, USA