About the Authors

Shintaro Uehara

Contributed equally to this work with: Shintaro Uehara, Eiichi Naito

Affiliations Brain ICT Laboratory, National Institute of Information and Communications Technology, Kyoto, Japan, Graduate School of Human and Environmental Studies, Kyoto University, Kyoto, Japan, The Japan Society for the Promotion of Science, Tokyo, Japan

Isao Nambu

Affiliations Brain ICT Laboratory, National Institute of Information and Communications Technology, Kyoto, Japan, Center for Information and Neural Networks, Osaka, Japan

Saeka Tomatsu

Affiliation Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan

Jongho Lee

Affiliation Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan

Shinji Kakei

Affiliation Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan

Eiichi Naito

Contributed equally to this work with: Shintaro Uehara, Eiichi Naito

eiichi.naito@nict.go.jp

Affiliations Brain ICT Laboratory, National Institute of Information and Communications Technology, Kyoto, Japan, Center for Information and Neural Networks, Osaka, Japan, Graduate School of Medicine, Osaka University, Osaka, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EN SU. Performed the experiments: EN SU IN ST JL SK. Analyzed the data: EN SU IN ST JL SK. Wrote the paper: EN SU.