1. Department of Molecular Virology, Pasteur Institute of Iran, Tehran, Iran
2. Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
3. Department of Microbiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
4. Virology Department, Animal and Plant Health Agency, Addlestone, UK
5. OIE Reference Laboratory for EBL, Department of Virology, Animal and Plant Health Agency, Weybridge, UK