**Author details**

Hisao Nishijo\* and Taketoshi Ono System Emotional Science, Faculty of Medicine, University of Toyama, Sugitani, Toyama, Japan

\*Address all correspondence to: nishijo@med.u-toyama.ac.jp

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
