1. Drug Analysis Department Laboratory of Racing Chemistry Utsunomiya Tochigi Japan
2. Department of Pharmaceutical Sciences Tohoku University Hospital Sendai Miyagi Japan
3. Genetic Analysis Department Laboratory of Racing Chemistry Utsunomiya Tochigi Japan
4. Equine Research Institute, Research Planning & Coordination Division Japan Racing Association Shimotsuke Tochigi Japan
5. Race Horse Hospital, Miho Training Center Japan Racing Association Inashiki‐gun Ibaraki Japan
6. Veterinarian Section, Equine Department Japan Racing Association Minato‐ku Tokyo Japan
7. Race Horse Hospital, Ritto Training Center Japan Racing Association Ritto Shiga Japan