Masazumi Kumagai(Sendai National College of Technology)
Satoshi Yairi(Department of Design and Computer Applications, Sendai National College of Technology)
Shouichi Takane, Kim Hae Young and Guoyue Chen(Faculty of Sys. Sci. and Tech., Akita Pref. Univ.)
Shun'ichi Kono(Tohoku Bunka-Gakuen Univ.)
Toshimitsu Kobayashi, Tetsuaki Kawase, Toshinori Sato and Hiroshi Hidaka(Department of Otolaryngology, Head and Neck Surgery, School of Medicine, Tohoku University)