1. Department of Clinical Sciences and Services; Royal Veterinary College; Hawkshead Lane, Hatfield North Mymms Hertfordshire AL9 7TA UK
2. NationWide Laboratories; 23 Mains Lane Poulton-Le-Fylde Lancashire FY6 7LJ UK
3. Faculty of Medicine & Health Sciences; Sutton Bonington Campus Sutton Bonington Leicestershire LE12 5RD UK
4. Department of Veterinary Epidemiology; Economics and Public Health, Royal Veterinary College; Hawkshead Lane, Hatfield North Mymms Hertfordshire AL9 7TA UK