About the Authors

Tomomi Kawakami

tomomi-k@tky.ndu.ac.jp

Affiliation Department of Pediatric Dentistry, The Nippon Dental University School of Life Dentistry at Tokyo, Tokyo, Japan

Yuko Nakamura

Affiliation Department of Pediatric Dentistry, The Nippon Dental University School of Life Dentistry at Tokyo, Tokyo, Japan

Hiroyuki Karibe

Affiliation Department of Pediatric Dentistry, The Nippon Dental University School of Life Dentistry at Tokyo, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TK. Performed the experiments: TK YN. Analyzed the data: TK HK. Contributed reagents/materials/analysis tools: TK YN. Wrote the paper: TK.