About the Authors

Ming Chang

chang.ming@nict.go.jp

Affiliations Center for Information and Neural Networks (CiNet), National Institute of Information and Communications Technology and Osaka University, Iwaoka, Iwaoka-cho, Nishi-ku, Kobe, Hyougo, Japan, Graduate School of Information Science and Technology, Osaka University, Yamadaoka, Suita, Osaka, Japan

ORCID http://orcid.org/0000-0002-7584-7607

Hiroyuki Iizuka

Affiliation Graduate School of Information Science and Technology, Hokkaido University, Nishi Chome, Kita, Kita-ku, Sapporo, Hokkaido, Japan

Hideki Kashioka

Affiliation Center for Information and Neural Networks (CiNet), National Institute of Information and Communications Technology and Osaka University, Iwaoka, Iwaoka-cho, Nishi-ku, Kobe, Hyougo, Japan

Yasushi Naruse

Affiliation Center for Information and Neural Networks (CiNet), National Institute of Information and Communications Technology and Osaka University, Iwaoka, Iwaoka-cho, Nishi-ku, Kobe, Hyougo, Japan

Masahiro Furukawa

Affiliations Center for Information and Neural Networks (CiNet), National Institute of Information and Communications Technology and Osaka University, Iwaoka, Iwaoka-cho, Nishi-ku, Kobe, Hyougo, Japan, Graduate School of Information Science and Technology, Osaka University, Yamadaoka, Suita, Osaka, Japan

Hideyuki Ando

Affiliations Center for Information and Neural Networks (CiNet), National Institute of Information and Communications Technology and Osaka University, Iwaoka, Iwaoka-cho, Nishi-ku, Kobe, Hyougo, Japan, Graduate School of Information Science and Technology, Osaka University, Yamadaoka, Suita, Osaka, Japan

Taro Maeda

Affiliations Center for Information and Neural Networks (CiNet), National Institute of Information and Communications Technology and Osaka University, Iwaoka, Iwaoka-cho, Nishi-ku, Kobe, Hyougo, Japan, Graduate School of Information Science and Technology, Osaka University, Yamadaoka, Suita, Osaka, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: MC. Data curation: MC. Formal analysis: MC MF. Funding acquisition: YN. Investigation: MC. Methodology: MC HI. Project administration: YN HA TM. Resources: YN HK. Software: MC. Supervision: YN HA TM. Validation: MC. Visualization: MC. Writing – original draft: MC. Writing – review & editing: MC.