1. From the Departments of Anesthesiology (E.D.K.) and Biochemistry and Molecular Biophysics (E.D.K.), Washington University in St. Louis, St. Louis, Missouri; Center for Clinical Pharmacology, St. Louis College of Pharmacy and Washington University in St. Louis, St. Louis, Missouri (E.D.K.); and Anesthesiology Editorial Office, Schaumburg, Illinois (V.T., G.K.).