Affiliation: | 1.Graduate School of Engineering, Nagasaki University, Nagasaki, 852-8521, Japan ;2.Faculty of Engineering, Nagasaki University, Nagasaki, 852-8521, Japan ;3.Faculty of Engineering, Kyushu University, Fukuoka, 819-0395, Japan ;4.National Institute for Minamata Disease, Kumamoto, 867-0008, Japan ; |