1. College of Policy Science Ritsumeikan University Ibaraki, Osaka Japan
2. Faculty of Humanity‐oriented Science and Engineering Kindai University Iizuka, Fukuoka Japan
3. Hiroshima University Higashi‐Hiroshima, Hiroshima Japan
4. Kyushu University Fukuoka, Fukuoka Japan
5. Research Organization of Open Innovation and Collaboration Ritsumeikan University Ibaraki, Osaka Japan