Department of Anesthesiology, College of Physicians & Surgeons, Columbia University, New York, New York (G.R.T., T.J.R., P.D.F.); and Departments of Physiology and Biophysics (R.L.S., O.S.A.), Anesthesiology (K.F.H., A.P., H.C.H., P.A.G.), and Pharmacology (H.C.H.), Weill Cornell Medical College, New York, New York

Department of Anesthesiology, College of Physicians & Surgeons, Columbia University, New York, New York (G.R.T., T.J.R., P.D.F.); and Departments of Physiology and Biophysics (R.L.S., O.S.A.), Anesthesiology (K.F.H., A.P., H.C.H., P.A.G.), and Pharmacology (H.C.H.), Weill Cornell Medical College, New York, New York

Department of Anesthesiology, College of Physicians & Surgeons, Columbia University, New York, New York (G.R.T., T.J.R., P.D.F.); and Departments of Physiology and Biophysics (R.L.S., O.S.A.), Anesthesiology (K.F.H., A.P., H.C.H., P.A.G.), and Pharmacology (H.C.H.), Weill Cornell Medical College, New York, New York

Department of Anesthesiology, College of Physicians & Surgeons, Columbia University, New York, New York (G.R.T., T.J.R., P.D.F.); and Departments of Physiology and Biophysics (R.L.S., O.S.A.), Anesthesiology (K.F.H., A.P., H.C.H., P.A.G.), and Pharmacology (H.C.H.), Weill Cornell Medical College, New York, New York

Department of Anesthesiology, College of Physicians & Surgeons, Columbia University, New York, New York (G.R.T., T.J.R., P.D.F.); and Departments of Physiology and Biophysics (R.L.S., O.S.A.), Anesthesiology (K.F.H., A.P., H.C.H., P.A.G.), and Pharmacology (H.C.H.), Weill Cornell Medical College, New York, New York

Department of Anesthesiology, College of Physicians & Surgeons, Columbia University, New York, New York (G.R.T., T.J.R., P.D.F.); and Departments of Physiology and Biophysics (R.L.S., O.S.A.), Anesthesiology (K.F.H., A.P., H.C.H., P.A.G.), and Pharmacology (H.C.H.), Weill Cornell Medical College, New York, New York

Department of Anesthesiology, College of Physicians & Surgeons, Columbia University, New York, New York (G.R.T., T.J.R., P.D.F.); and Departments of Physiology and Biophysics (R.L.S., O.S.A.), Anesthesiology (K.F.H., A.P., H.C.H., P.A.G.), and Pharmacology (H.C.H.), Weill Cornell Medical College, New York, New York

Department of Anesthesiology, College of Physicians & Surgeons, Columbia University, New York, New York (G.R.T., T.J.R., P.D.F.); and Departments of Physiology and Biophysics (R.L.S., O.S.A.), Anesthesiology (K.F.H., A.P., H.C.H., P.A.G.), and Pharmacology (H.C.H.), Weill Cornell Medical College, New York, New York

Department of Anesthesiology, College of Physicians & Surgeons, Columbia University, New York, New York (G.R.T., T.J.R., P.D.F.); and Departments of Physiology and Biophysics (R.L.S., O.S.A.), Anesthesiology (K.F.H., A.P., H.C.H., P.A.G.), and Pharmacology (H.C.H.), Weill Cornell Medical College, New York, New York