Affiliation: | (1) Department of Mechanical Engineering, Faculty of Science and Technology, Keio University, Hiyoshi, Kohoku-ku, 223 Yokohama, Japan;(2) Institute of Industrial Science, University of Tokyo, Minato-ku, 106 Tokyo, Japan;(3) Department of Surgical Science, Heart Institute of Japan, Tokyo Women's Medical College, Shinjuku-ku, 162 Tokyo, Japan;(4) Present address: Department of Vascular Physiology, National Cardiovascular Center Research Institute, 565 Suita, Osaka, Japan |