1. Department of Biochemistry and Molecular Biology, Nihon University School of Dentistry at Matsudo, Chiba, Japan
2. Department of Anesthesiology, Nihon University School of Dentistry at Matsudo, Chiba, Japan
3. Department of Histology, Nihon University School of Dentistry at Matsudo, Chiba, Japan
4. Division of Pedodontics and Preventive Dentistry, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
5. Department of Anesthesiology, Nihon University School of Dentistry, Tokyo, Japan
6. Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Chiba, Japan