1. Division of Mechanical and Space Engineering, Faculty of Engineering; Hokkaido University; Kita 13 Nishi 8, Kita-ku, Sapporo Hokkaido Japan
2. Brain Science Inspired Life Support Research Center; University of Electro-Communications; 1-5-1 Chofugaoka Chofu, Tokyo Japan
3. Preeminent Medical Photonics Education & Reseach Center; Hamamatsu University School of Medicine; 1-20-1 Handayama, Higashi-ku Hamamatsu, Sizuoka Japan