About the Authors
- Yoshinori Aoki
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Affiliations Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan, Department of Dental Anesthesiology, Tokyo Dental College, Tokyo, Japan
- Kaori Yoshida
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Affiliations Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan, Department of Dental Anesthesiology, Tokyo Dental College, Tokyo, Japan
- Daisuke Nishizawa
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Affiliation Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
- Shinya Kasai
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Affiliation Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
- Tatsuya Ichinohe
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Affiliation Department of Dental Anesthesiology, Tokyo Dental College, Tokyo, Japan
- Kazutaka Ikeda
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* E-mail: ikeda-kz@igakuken.or.jp
Affiliation Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
- Ken-ichi Fukuda
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Affiliation Department of Dental Anesthesiology, Tokyo Dental College, Tokyo, Japan
Competing Interests
Kazutaka Ikeda is a PLOS ONE Editorial Board member. This does not alter the authors' adherence to PLOS ONE Editorial policies and criteria.
Author Contributions
Conceived and designed the experiments: YA KI KF. Performed the experiments: YA KY DN SK. Analyzed the data: YA DN. Contributed reagents/materials/analysis tools: KY TI KI KF. Wrote the paper: YA DN KI KF.