About the Authors

Akira Masuda

Affiliation Department of Brain Science and Engineering, Kyushu Institute of Technology, Kitakyushu, Japan

Shuji Aou

aou@brain.kyutech.ac.jp

Affiliation Department of Brain Science and Engineering, Kyushu Institute of Technology, Kitakyushu, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AM SA. Performed the experiments: AM. Analyzed the data: AM. Contributed reagents/materials/analysis tools: AM. Wrote the paper: AM.