1. From the Department of Anesthesiology and Perioperative Medicine (P.M.S., M.M.T., M.J.M., V.S., I.H., R.B.A., A.B., N.A.) and the Knight Cardiovascular Institute (C.A.H., P.M.J., T.A.D., E.C.S.), Oregon Health and Science University, Portland, Oregon; the School of Public Health, Oregon Health and Science University and Portland State University, Portland, Oregon (N.D.Y.); and Department of Anest