*Takumi Nakajima¹, Tomoharu Ishikawa², Yoshiko Yanagida³, Mutsumi Yanaka³, Minoru Mitsui⁴, Miyoshi Ayama² (1. Graduate School of Regional Development and Creativity, Utsunomiya University, 2. Utsunomiya University, 3. Bunka gakuen University, 4. Institute of Technologists)

*Kiyoaki Terashima¹, Hiroshi Mori¹, Tomoharu Ishikawa¹, Yoshiko Yanagida², Kazuya Sasaki¹, Miyoshi Ayama¹ (1. Utsunomiya University, 2. Bunkagakuen University)

*Yuko Kurihara¹, Mayumi Uemae¹, Hiroaki Yoshida¹, Masayoshi Kamijo¹, Moto Suzuki² (1. Shinshu Univ. , 2. hap Inc.)

*Teruki Kitajima¹, Yuki Karasawa¹, Hiroaki Yoshida¹, Mayumi Uemae¹, Masayoshi Kamijo¹, Naoto Tominaga² (1. Shinshu Univ., 2. Descente Japan)

*Naoya Takahashi¹, Shoichi Tamane¹, Tomoharu Ishikawa¹, Mie Sato¹, Yoko Mizokami², Miyoshi Ayama¹ (1. Utsunomiya Univ., 2. Chiba Univ.)