1Faculty of Home Economics, Kobe Women’s University, 2-1 Aoyama Higashisuma, Suma-ku, Kobe 654-8585, Japan
2Faculty of Engineering, Tokushima Bunri University, 1314 Shido, Sanuki 769-2193, Japan
3Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, 240-8501, Japan