1. Hon. Assoc. RCVS; Dr hc (GENT); Departments of Comparative Biomedical Sciences and Pathology and Infectious Diseases; The Royal Veterinary College; Hawkshead Campus Hatfield Herts AL9 7TA UK
2. Pfizer Animal Health; VMRD, Pfizer European Service Center, Building 3, Hoge Wei 10 Zaventem B-1930 Belgium
3. Westpoint Veterinary Group; Dawes Farm, Bognor Road Warnham Sussex RH12 3SH UK
4. Department of Epidemiology and Preventive Veterinary Medicine; College of Veterinary Science; Guru Angad Dev Veterinary and Animal Science University; Ludhiana Punjab 141004 India