1. Department of Precision Engineering, Graduate School of Engineering, University of Tokyo, Tokyo, Japan
2. Department of Mechanical Engineering, Faculty of Engineering Science, Kansai University, Osaka, Japan
3. Institute of Facility Agriculture, Guangdong Academy of Agricultural Sciences, Guangzhou, China
4. Strategic R&D Planning Department, R&D and Engineering Management Division, Advanced R&D and Engineering Company, Toyota Motor Corporation, Toyota, Japan
5. Research into Artifacts, Center for Engineering (RACE), School of Engineering, University of Tokyo, Tokyo, Japan