1. The Horse Racing School, Japan Racing AssociationShiroiChibaJapan
2. Clinical Science & Pathobiology DivisionEquine Research Institute, Japan Racing AssociationShimotsukeTochigiJapan
3. Racehorse Hospital, Miho Training Center, Japan Racing AssociationInashikiIbarakiJapan
4. Microbiology DivisionEquine Research Institute, Japan Racing AssociationShimotsukeTochigiJapan