1. Assistant Professor, Department of Community Oral Health, Nihon University School of Dentistry at Matsudo, Chiba, Japan
2. Researcher, Department of Diagnostic Pathology, Shizuoka Cancer Center, Shizuoka, Japan
3. Ph.D. Student, Department of Histology and Embryology, Nihon University School of Dentistry at Matsudo, Chiba, Japan
4. Ph.D. Student, Department of Preventive Public Oral Health, Nihon University School of Dentistry at Matsudo, Chiba, Japan
5. Assistant Professor, Department of Pathology, Wakayama Medical University, Wakayama, Japan
6. Assistant Professor, Department of Biochemistry and Molecular Biology, Nihon University School of Dentistry at Matsudo, Chiba, Japan
7. Professor, Department of Histology, Nihon University School of Dentistry at Matsudo, Chiba, Japan
8. Professor, Department of Community Oral Health, Nihon University School of Dentistry at Matsudo, Chiba, Japan