Affiliation: | 1. Veterinary Epidemiology, Economics and Public Health Group, Department of Pathobiology and Population Sciences, Royal Veterinary College, Hatfield, UK;2. Equine Veterinary Consultants (EVC) Limited, Hong Kong, Hong Kong;3. Department of Veterinary Clinical Sciences, Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Werribee, Victoria, Australia |