1. Queensland Veterinary Specialists, North Lakes, QLD, Australia
2. Department of Veterinary Clinical Sciences, Jockey Club College of Veterinary Medicine and Life Sciences, and Centre for Animal Health and Welfare, City University of Hong Kong, Kowloon Tong, Hong Kong, SAR China
3. Centre for Animal Health and Welfare, City University of Hong Kong, Kowloon Tong, Hong Kong, SAR China