1. From the Department of Regenerative Medicine and Advanced Cardiac Therapeutics (M.I., H.K., Y.I., K.K., K.M., Y.T., T.Y., T.O., K.S., S.M., M.S., K.F.) and Cardiopulmonary Division, Department of Internal Medicine (M.I., H.K., K.M., T.Y., T.O., K.S., S.O.), Keio University School of Medicine, Tokyo, Japan.