1. Virology Department, Animal Health and Veterinary Laboratories Agency, Addlestone, United Kingdom
2. Department of Microbial & Cellular Sciences, University of Surrey, Guildford, United Kingdom
3. Nagpur Veterinary College, Maharashtra Animal & Fishery Sciences University, Nagpur, India
4. Department of Comparative Pathology, Veterinary Faculty, University of Córdoba, Edificio Sanidad Animal, Campus de Rabanales, Córdoba, Spain
5. Pathology Department, Animal Health and Veterinary Laboratories Agency, Addlestone, United Kingdom