Hiroaki Sakamoto¹, Yutaka Yoshida¹, *Emi Yuda¹ (1. Tohoku University)

*Emi Yuda¹, Yutaka Yoshida¹, Ayako Tsumita² (1. Tohoku University, 2. Juntendo University)

*Yuki Kosuge¹, Shogo Okamoto¹ (1. Tokyo Metropolitan Univ.)

*Akhiro YOSHIDA¹, Emmanuel AYEDOUN², Masataka TOKUMARU² (1. Graduate School of Science and Engineering, Kansai University, 2. Kansai University)

Victoria Hsu^1,2, *Ding Bang Ling¹ (1. Lunghwa University of Science and Technology, 2. Graduate Institute of Technological & Vocational Education at National Taipei University of Technology)

*Masatoshi Toda¹, Hisaya Tanaka¹ (1. Kogakuin university)