Affiliation: | (1) Department of Cardiovascular Surgery, Hokkaido University School of Medicine, K14, N5, Kita-ku, Sapporo 060-8648, Japan, JP;(2) Vascular Graft Research Center Co., Ltd., 1-16-3 Kitakasai, Edogawa-ku, Tokyo, Japan, JP;(3) Sapporo Hospital of Higashi Nippon Telegraph and Telephone Corp., M1, N15, Chuo-ku, Sapporo, Japan, JP |