1. National PRRS Eradication Committee, Keleti Károly. u. 24, 1024 Budapest, Hungary
2. Chief Veterinary Officer of Hungary, Ministry of Agriculture, Kossuth Lajos t. 11, 1055 Budapest, Hungary
3. Veterinary Diagnostic Directorate, National Food Chain Safety Office, Tábornok u. 2, 1143 Budapest, Hungary
4. Department of Pathology, University of Veterinary Medicine, István u. 2, 1078 Budapest, Hungary
5. National Laboratory of Infectious Animal Diseases, Antimicrobial Resistance, Veterinary Public Health and Food Chain Safety, University of Veterinary Medicine, 1078 Budapest, Hungary