1. From the Departments of Cardiovascular Medicine (K. Satoh, Y.K., M.N., Y.I., J.O., H.T., A.K., J.W., K. Shirato, H.S.), Pathology (M.O.), and Microbiology and Immunology (N.I., K. Sugamura), Tohoku University Biomedical Engineering Research Organization (TUBERO) (N.M.), Tohoku University Graduate School of Medicine, Sendai, Japan, and the Center for Tsukuba Advanced Research Alliance (N.S., M.Y.), University of Tsukuba, Tsukuba, Japan.