About the Authors

Zhuohao Yang

Contributed equally to this work with: Zhuohao Yang, Ryo Iizuka

Affiliation Laboratory of Bio-analytical Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan

Ryo Iizuka

Contributed equally to this work with: Zhuohao Yang, Ryo Iizuka

Affiliation Laboratory of Bio-analytical Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan

Takashi Funatsu

funatsu@mail.ecc.u-tokyo.ac.jp

Affiliation Laboratory of Bio-analytical Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZY RI TF. Performed the experiments: ZY RI. Analyzed the data: ZY. Wrote the paper: ZY RI TF.