1. Department of Civil Engineering, Nagoya Institute of Technology (Nitech), Japan
2. Research Center, Toyobo Co. Ltd., 2-1-1 Katata, Otsu, Shiga, Japan
3. Water & Sewage Department, Nippon Koei Urban Space Co., Ltd., 2-17-14 Higashisakura, Higashi-ku, Nagoya, Aichi, Japan
4. River & Water Resources Division, Nippon Koei Co. Ltd., 5-4 Kojimachi, Chiyoda-ku, Tokyo, Japan