1. Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatsu, Kitakyushu808-0196, Japan
2. Division of Materials Science, Nara Institute of Science and Technology, Ikoma, Nara630-0192, Japan
3. Department of Computer Science and Electronics, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka820-8502, Japan
4. National Taiwan University of Science and Technology, No. 43, Section 4, Keelung Rd, Da’an District, Taipei City106, Taiwan