1. Department of Translational Research, Tsurumi University School of Dental Medicine, 2-1-3, Tsurumi, Tsurumi-ku, Yokohama 230-8501, Japan
2. Department of Dentistry, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo 105-8570, Japan
3. Department of Operative Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama 700-8525, Japan