1. Department of Pediatric Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
2. Department of Pediatric Dentistry, Osaka University Graduate School of Dentistry, Osaka, Japan
3. Departments of Pharmacology, Veterinary Public Health II and Molecular Biology, School of Veterinary Medicine, Azabu University, Kanagawa, Japan
4. Yasuda Veterinary Clinic, Tokyo, Japan