1. Laboratory of Veterinary Surgery, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Hokkaido, Japan
2. Clinical Studies Department, Samora Machel School of Veterinary Medicine, University of Zambia, Lusaka, Zambia
3. Department of Veterinary Clinical Sciences, Faculty of Veterinary Medicine & Animal Science, University of Peradeniya, Peradeniya, Sri Lanka