About the Authors

Alexander Binder

alexander.binder@tu-berlin.de

Affiliations Machine Learning Group, Berlin Institute of Technology, Berlin, Germany, Fraunhofer Institute FIRST, Berlin, Germany

Shinichi Nakajima

Affiliation Optical Research Laboratory, Nikon Corporation, Tokyo, Japan

Marius Kloft

Affiliation Machine Learning Group, Berlin Institute of Technology, Berlin, Germany

Christina Müller

Affiliation Machine Learning Group, Berlin Institute of Technology, Berlin, Germany

Wojciech Samek

Affiliations Machine Learning Group, Berlin Institute of Technology, Berlin, Germany, Fraunhofer Institute FIRST, Berlin, Germany

Ulf Brefeld

Affiliations Knowledge Discovery and Machine Learning Group, University of Bonn, Bonn, Germany, Zalando GmbH, Berlin, Germany

Klaus-Robert Müller

Affiliations Machine Learning Group, Berlin Institute of Technology, Berlin, Germany, Bernstein Focus: Neurotechnology Berlin, Berlin, Germany, Department of Brain and Cognitive Engineering, Korea University, Anam-dong, Seongbuk-gu, Seoul, Korea

Motoaki Kawanabe

Affiliation ATR Research, Kyoto, Japan

Competing Interests

S. Nakajima is employed with the NIKON Corporation, Tokyo, Japan. There are no other authors on the manuscript affiliated to the NIKON Corporation. M. Kawanabe is employed with ATR research, Kyoto, Japan. There are no other authors on the manuscript affiliated to this company. The authors see no further potential conflict for the submitted manuscript with respect to employment, consultancy, patents, products in development or marketed products. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: AB SN M. Kawanabe M. Kloft UB K-RM. Performed the experiments: AB SN M. Kloft WS CM M. Kawanabe. Analyzed the data: AB M. Kawanabe WS M. Kloft. Wrote the paper: AB M. Kloft M. Kawanabe K-RM. Influenced the design of experiments and worked on the manuscript: SN UB.