About the Authors

Akihiro Yoshida

aki@po.mdu.ac.jp

Affiliations Department of Oral Microbiology, Matsumoto Dental University, Shiojiri, Japan, Division of Community Oral Health Science, Department of Oral Health Promotion, Kyushu Dental University, Kitakyushu, Japan

Mamiko Niki

Affiliation Department of Bacteriology, Osaka City University Graduate School of Medicine, Osaka, Japan

Yuji Yamamoto

Affiliation Department of Animal Science, School of Veterinary Medicine, Kitasato University, Towada, Japan

Ai Yasunaga

Affiliation Division of Community Oral Health Science, Department of Oral Health Promotion, Kyushu Dental University, Kitakyushu, Japan

Toshihiro Ansai

Affiliation Division of Community Oral Health Science, Department of Oral Health Promotion, Kyushu Dental University, Kitakyushu, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: A. Yoshida. Performed the experiments: A. Yoshida MN A. Yasunaga. Analyzed the data: A. Yoshida A. Yasunaga. Contributed reagents/materials/analysis tools: A. Yoshida MN YY TA. Wrote the paper: A. Yoshida.