About the Authors

Wataru Yamanaka

Affiliation Section of Preventive and Public Health Dentistry, Division of Oral Health, Growth and Development, Kyushu University Faculty of Dental Science, Fukuoka, Japan

Toru Takeshita

Affiliation Section of Preventive and Public Health Dentistry, Division of Oral Health, Growth and Development, Kyushu University Faculty of Dental Science, Fukuoka, Japan

Yukie Shibata

Affiliation Section of Preventive and Public Health Dentistry, Division of Oral Health, Growth and Development, Kyushu University Faculty of Dental Science, Fukuoka, Japan

Kazuki Matsuo

Affiliations Section of Preventive and Public Health Dentistry, Division of Oral Health, Growth and Development, Kyushu University Faculty of Dental Science, Fukuoka, Japan, Section of Dental Anesthesiology, Division of Maxillofacial Diagnostic and Surgical Sciences, Kyushu University Faculty of Dental Science, Fukuoka, Japan

Nobuoki Eshima

Affiliation Department of Biostatistics, Oita University Faculty of Medicine, Yufu City, Oita, Japan

Takeshi Yokoyama

Affiliation Section of Dental Anesthesiology, Division of Maxillofacial Diagnostic and Surgical Sciences, Kyushu University Faculty of Dental Science, Fukuoka, Japan

Yoshihisa Yamashita

yoshi@dent.kyushu-u.ac.jp

Affiliation Section of Preventive and Public Health Dentistry, Division of Oral Health, Growth and Development, Kyushu University Faculty of Dental Science, Fukuoka, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TT YY NE TY. Performed the experiments: WY TT YS KM. Analyzed the data: WY TT. Contributed reagents/materials/analysis tools: WY TT. Wrote the paper: WY TT YY.