1. Department of Equine Resources Science, Cheju Halla University, Jeju 63092, Korea
2. Veterinary Department, Korea Racing Authority, Gwacheon 13822, Korea
3. Steering Committee, International Forum for the Aftercare of Racehorses, Milton 4064, Queensland, Australia
4. Department of Equine Science, Cheju Halla University, Jeju 63092, Korea
5. College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea