1. Department of Computational and Systems Science, Tokyo Institute of Technology
2. Research into Artifacts, Center for Engineering (RACE), The University of Tokyo
3. Department of Computational Intelligence & Systems Science, Tokyo Institute of Technology
4. Collaborative Research Center for Happiness Co-Creation Society through Intelligent Communications, Tokyo Institute of Technology
5. Research and Development Group, Hitachi, Ltd.
6. Center for Technology Innovation, Research and Development Group, Hitachi, Ltd.