**Author details**

Toshiyuki Kawakami<sup>1</sup> \*, Keiko Kaneko<sup>1</sup> , Tatsuo Takaya<sup>1</sup> , Saeka Aoki<sup>1</sup> , Rina Muraoka1 , Mihoko Tomida1 , Norimasa Okafuji<sup>1</sup> , Masahito Shoumura<sup>1</sup> , Naoto Osuga<sup>1</sup> , Keisuke Nakano1,2, Hidetsugu Tsujigiwa3 and Hitoshi Nagatuka1,2

\*Address all correspondence to: kawakami@po.mdu.ac.jp

1 Graduate School, School of Dentistry and Hospital, Matsumoto Dental University, Shiojiri, Japan

2 Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan

3 Faculty of Science, Okayama University of Science, Okayama, Japan
