About the Authors

Takeru Nakazato

nakazato@dbcls.rois.ac.jp

Affiliation Database Center for Life Science (DBCLS), Research Organization of Information and Systems (ROIS), Tokyo, Japan

Tazro Ohta

Affiliation Database Center for Life Science (DBCLS), Research Organization of Information and Systems (ROIS), Tokyo, Japan

Hidemasa Bono

Affiliation Database Center for Life Science (DBCLS), Research Organization of Information and Systems (ROIS), Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TN TO HB. Performed the experiments: TN TO. Analyzed the data: TN TO. Wrote the paper: TN HB.