Hisao Shiizuka

Fuzzy Logic Systems Institute

680-41, Kawazu, Iizuka,

Fukuoka 820-0067, Japan

shiizuka atsign flsi.or.jp

Masaaki Kurosu

The Open University of Japan

2-11 Wakaba, Mihama-ku,

Chiba 261- 8586, Japan

masaakikurosu atsign spa.nifty.com

Michiko Ohkura

Shibaura Institute of Technology

5-7-3 Toyosu, Koto-ku,

Tokyo 135-8548, Japan

ohkura atsign sic.shibaura-it.ac.jp

Kaoru Endo

Gakushuin University

1-5-1 Mejiro, Toshima-ku,
Tokyo 171-8588, Japan
kaoru.endo atsign gakushuin.ac.jp

Ayae Kido

Ritsumeikan University

56-1 Tohjiin-kitamachi, Kita-ku,
Kyoto 603-8577, Japan
ayae310 atsign gmail.com