1. Graduate School of Systems Design, Tokyo Metropolitan University, 6-6, Asahigaoka, Hino, Tokyo 191-0065, Japan
2. KONICA MINOLTA, INC., Healthcare Business Unit Vital Sensing Department, 1, Sakura-machi, Hino, Tokyo, Japan 191-8511
3. Genkikai Yokohama Hospital, 729, Terayama-cho, Midori-ku, Yokohama, Kanagawa, Japan 226-0013