1. Department of Veterinary Pharmacology, Graduate School of Agriculture and Life Sciences, The University of Tokyo, Tokyo, Japan
2. Department of Veterinary Clinical Pathobiology, Graduate School of Agriculture and Life Sciences, The University of Tokyo, Tokyo, Japan
3. Department of Pharmacology, School of Veterinary Medicine, Azabu University, Kanagawa, Japan
4. Primetech Life Science Laboratory, Primetech Corporation, Tokyo, Japan