1. Drug Analysis Department Laboratory of Racing Chemistry Utsunomiya Tochigi Japan
2. Department of Pharmaceutical Sciences Tohoku University Hospital Sendai Miyagi Japan
3. Racing Laboratory, The Hong Kong Jockey Club Sha Tin Racecourse Sha Tin N.T. Hong Kong
4. Veterinarian Section, Equine Department JRA Minato Tokyo Japan
5. Equine Veterinary Clinic, Horse Racing School Japan Racing Association Shiroi Chiba Japan
6. JRA Equestrian Park Utsunomiya Office Utsunomiya Tochigi Japan