1. Department of Equine Resources Science, Cheju Halla University, Jeju 63092, Korea.
2. Veterinary Department, Korea Racing Authority, Gwacheon 13822, Korea.
3. Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea.
4. Steering Committee, International Forum for the Aftercare of Racehorses, Milton 4064, Queensland, Australia.
5. Department of Intelligent System Engineering, Cheju Halla University, Jeju 63092, Korea.
6. Department of Equine Science, Cheju Halla University, Jeju 63092, Korea.