1. From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medicine (R.F.R., K.F.L., R.S.W.), the Human Research Protection Program (R.S.W.), and the Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine (P.R.B.), Mayo Clinic, Rochester, MN; the...