About the Authors
- Takeaki Wajima
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Contributed equally to this work with: Takeaki Wajima, Yui Anzai
Affiliation Department of Microbiology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Tokyo, Japan
- Yui Anzai
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Contributed equally to this work with: Takeaki Wajima, Yui Anzai
Affiliation Department of Microbiology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Tokyo, Japan
- Tetsuya Yamada
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Affiliation Department of Traditional Chinese Medicine, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Tokyo, Japan
- Hideaki Ikoshi
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Affiliation Department of Traditional Chinese Medicine, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Tokyo, Japan
- Norihisa Noguchi
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* E-mail: noguchin@toyaku.ac.jp
Affiliation Department of Microbiology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Tokyo, Japan
Competing Interests
The authors obtained Oldenlandia diffusa extract from Iskra Industry Co. Ltd. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials. There are no conflicts of interest to declare.
Author Contributions
Conceptualization: TW TY HI NN. Data curation: TW YA NN. Formal analysis: TW YA TY. Funding acquisition: NN. Investigation: TW YA TY NN. Methodology: TW YA NN. Project administration: TW NN. Resources: TW TY HI NN. Supervision: NN. Validation: TW YA TY HI NN. Visualization: TW YA NN. Writing – original draft: TW YA. Writing – review & editing: TW YA TY HI NN.